55519760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 135800832

約数和(自身を除く): 80281072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 367, 488, 496, 610, 620, 734, 976, 1220, 1240, 1468, 1835, 1891, 2440, 2480, 2936, 3670, 3782, 4880, 5872, 7340, 7564, 9455, 11377, 14680, 15128, 18910, 22387, 22754, 29360, 30256, 37820, 44774, 45508, 56885, 75640, 89548, 91016, 111935, 113770, 151280, 179096, 182032, 223870, 227540, 358192, 447740, 455080, 693997, 895480, 910160, 1387994, 1790960, 2775988, 3469985, 5551976, 6939970, 11103952, 13879940, 27759880, 55519760]

約数ペア:

[(1, 55519760), (2, 27759880), (4, 13879940), (5, 11103952), (8, 6939970), (10, 5551976), (16, 3469985), (20, 2775988), (31, 1790960), (40, 1387994), (61, 910160), (62, 895480), (80, 693997), (122, 455080), (124, 447740), (155, 358192), (244, 227540), (248, 223870), (305, 182032), (310, 179096), (367, 151280), (488, 113770), (496, 111935), (610, 91016), (620, 89548), (734, 75640), (976, 56885), (1220, 45508), (1240, 44774), (1468, 37820), (1835, 30256), (1891, 29360), (2440, 22754), (2480, 22387), (2936, 18910), (3670, 15128), (3782, 14680), (4880, 11377), (5872, 9455), (7340, 7564)]