52002500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 130158336

約数和(自身を除く): 78155836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 61, 62, 100, 110, 122, 124, 125, 155, 220, 244, 250, 275, 305, 310, 341, 500, 550, 610, 620, 625, 671, 682, 775, 1100, 1220, 1250, 1342, 1364, 1375, 1525, 1550, 1705, 1891, 2500, 2684, 2750, 3050, 3100, 3355, 3410, 3782, 3875, 5500, 6100, 6710, 6820, 6875, 7564, 7625, 7750, 8525, 9455, 13420, 13750, 15250, 15500, 16775, 17050, 18910, 19375, 20801, 27500, 30500, 33550, 34100, 37820, 38125, 38750, 41602, 42625, 47275, 67100, 76250, 77500, 83204, 83875, 85250, 94550, 104005, 152500, 167750, 170500, 189100, 208010, 213125, 236375, 335500, 416020, 419375, 426250, 472750, 520025, 838750, 852500, 945500, 1040050, 1181875, 1677500, 2080100, 2363750, 2600125, 4727500, 5200250, 10400500, 13000625, 26001250, 52002500]

約数ペア:

[(1, 52002500), (2, 26001250), (4, 13000625), (5, 10400500), (10, 5200250), (11, 4727500), (20, 2600125), (22, 2363750), (25, 2080100), (31, 1677500), (44, 1181875), (50, 1040050), (55, 945500), (61, 852500), (62, 838750), (100, 520025), (110, 472750), (122, 426250), (124, 419375), (125, 416020), (155, 335500), (220, 236375), (244, 213125), (250, 208010), (275, 189100), (305, 170500), (310, 167750), (341, 152500), (500, 104005), (550, 94550), (610, 85250), (620, 83875), (625, 83204), (671, 77500), (682, 76250), (775, 67100), (1100, 47275), (1220, 42625), (1250, 41602), (1342, 38750), (1364, 38125), (1375, 37820), (1525, 34100), (1550, 33550), (1705, 30500), (1891, 27500), (2500, 20801), (2684, 19375), (2750, 18910), (3050, 17050), (3100, 16775), (3355, 15500), (3410, 15250), (3782, 13750), (3875, 13420), (5500, 9455), (6100, 8525), (6710, 7750), (6820, 7625), (6875, 7564)]