51264400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 137276928

約数和(自身を除く): 86012528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 61, 80, 88, 100, 110, 122, 176, 191, 200, 220, 244, 275, 305, 382, 400, 440, 488, 550, 610, 671, 764, 880, 955, 976, 1100, 1220, 1342, 1525, 1528, 1910, 2101, 2200, 2440, 2684, 3050, 3056, 3355, 3820, 4202, 4400, 4775, 4880, 5368, 6100, 6710, 7640, 8404, 9550, 10505, 10736, 11651, 12200, 13420, 15280, 16775, 16808, 19100, 21010, 23302, 24400, 26840, 33550, 33616, 38200, 42020, 46604, 52525, 53680, 58255, 67100, 76400, 84040, 93208, 105050, 116510, 128161, 134200, 168080, 186416, 210100, 233020, 256322, 268400, 291275, 420200, 466040, 512644, 582550, 640805, 840400, 932080, 1025288, 1165100, 1281610, 2050576, 2330200, 2563220, 3204025, 4660400, 5126440, 6408050, 10252880, 12816100, 25632200, 51264400]

約数ペア:

[(1, 51264400), (2, 25632200), (4, 12816100), (5, 10252880), (8, 6408050), (10, 5126440), (11, 4660400), (16, 3204025), (20, 2563220), (22, 2330200), (25, 2050576), (40, 1281610), (44, 1165100), (50, 1025288), (55, 932080), (61, 840400), (80, 640805), (88, 582550), (100, 512644), (110, 466040), (122, 420200), (176, 291275), (191, 268400), (200, 256322), (220, 233020), (244, 210100), (275, 186416), (305, 168080), (382, 134200), (400, 128161), (440, 116510), (488, 105050), (550, 93208), (610, 84040), (671, 76400), (764, 67100), (880, 58255), (955, 53680), (976, 52525), (1100, 46604), (1220, 42020), (1342, 38200), (1525, 33616), (1528, 33550), (1910, 26840), (2101, 24400), (2200, 23302), (2440, 21010), (2684, 19100), (3050, 16808), (3056, 16775), (3355, 15280), (3820, 13420), (4202, 12200), (4400, 11651), (4775, 10736), (4880, 10505), (5368, 9550), (6100, 8404), (6710, 7640)]