25162500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 81369792

約数和(自身を除く): 56207292

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 61, 66, 75, 100, 110, 122, 125, 132, 150, 165, 183, 220, 244, 250, 275, 300, 305, 330, 366, 375, 500, 550, 610, 625, 660, 671, 732, 750, 825, 915, 1100, 1220, 1250, 1342, 1375, 1500, 1525, 1650, 1830, 1875, 2013, 2500, 2684, 2750, 3050, 3125, 3300, 3355, 3660, 3750, 4026, 4125, 4575, 5500, 6100, 6250, 6710, 6875, 7500, 7625, 8052, 8250, 9150, 9375, 10065, 12500, 13420, 13750, 15250, 16500, 16775, 18300, 18750, 20130, 20625, 22875, 27500, 30500, 33550, 34375, 37500, 38125, 40260, 41250, 45750, 50325, 67100, 68750, 76250, 82500, 83875, 91500, 100650, 103125, 114375, 137500, 152500, 167750, 190625, 201300, 206250, 228750, 251625, 335500, 381250, 412500, 419375, 457500, 503250, 571875, 762500, 838750, 1006500, 1143750, 1258125, 1677500, 2096875, 2287500, 2516250, 4193750, 5032500, 6290625, 8387500, 12581250, 25162500]

約数ペア:

[(1, 25162500), (2, 12581250), (3, 8387500), (4, 6290625), (5, 5032500), (6, 4193750), (10, 2516250), (11, 2287500), (12, 2096875), (15, 1677500), (20, 1258125), (22, 1143750), (25, 1006500), (30, 838750), (33, 762500), (44, 571875), (50, 503250), (55, 457500), (60, 419375), (61, 412500), (66, 381250), (75, 335500), (100, 251625), (110, 228750), (122, 206250), (125, 201300), (132, 190625), (150, 167750), (165, 152500), (183, 137500), (220, 114375), (244, 103125), (250, 100650), (275, 91500), (300, 83875), (305, 82500), (330, 76250), (366, 68750), (375, 67100), (500, 50325), (550, 45750), (610, 41250), (625, 40260), (660, 38125), (671, 37500), (732, 34375), (750, 33550), (825, 30500), (915, 27500), (1100, 22875), (1220, 20625), (1250, 20130), (1342, 18750), (1375, 18300), (1500, 16775), (1525, 16500), (1650, 15250), (1830, 13750), (1875, 13420), (2013, 12500), (2500, 10065), (2684, 9375), (2750, 9150), (3050, 8250), (3125, 8052), (3300, 7625), (3355, 7500), (3660, 6875), (3750, 6710), (4026, 6250), (4125, 6100), (4575, 5500)]