5126440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 12856320

約数和(自身を除く): 7729880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 191, 220, 244, 305, 382, 440, 488, 610, 671, 764, 955, 1220, 1342, 1528, 1910, 2101, 2440, 2684, 3355, 3820, 4202, 5368, 6710, 7640, 8404, 10505, 11651, 13420, 16808, 21010, 23302, 26840, 42020, 46604, 58255, 84040, 93208, 116510, 128161, 233020, 256322, 466040, 512644, 640805, 1025288, 1281610, 2563220, 5126440]

約数ペア:

[(1, 5126440), (2, 2563220), (4, 1281610), (5, 1025288), (8, 640805), (10, 512644), (11, 466040), (20, 256322), (22, 233020), (40, 128161), (44, 116510), (55, 93208), (61, 84040), (88, 58255), (110, 46604), (122, 42020), (191, 26840), (220, 23302), (244, 21010), (305, 16808), (382, 13420), (440, 11651), (488, 10505), (610, 8404), (671, 7640), (764, 6710), (955, 5368), (1220, 4202), (1342, 3820), (1528, 3355), (1910, 2684), (2101, 2440)]