90480520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 220631040

約数和(自身を除く): 130150520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 764, 911, 955, 1528, 1822, 1910, 2483, 3644, 3820, 4555, 4966, 7288, 7640, 9110, 9932, 11843, 12415, 18220, 19864, 23686, 24830, 36440, 47372, 49660, 59215, 94744, 99320, 118430, 174001, 236860, 348002, 473720, 696004, 870005, 1392008, 1740010, 2262013, 3480020, 4524026, 6960040, 9048052, 11310065, 18096104, 22620130, 45240260, 90480520]

約数ペア:

[(1, 90480520), (2, 45240260), (4, 22620130), (5, 18096104), (8, 11310065), (10, 9048052), (13, 6960040), (20, 4524026), (26, 3480020), (40, 2262013), (52, 1740010), (65, 1392008), (104, 870005), (130, 696004), (191, 473720), (260, 348002), (382, 236860), (520, 174001), (764, 118430), (911, 99320), (955, 94744), (1528, 59215), (1822, 49660), (1910, 47372), (2483, 36440), (3644, 24830), (3820, 23686), (4555, 19864), (4966, 18220), (7288, 12415), (7640, 11843), (9110, 9932)]