90819880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1327}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 215136000

約数和(自身を除く): 124316120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 472, 580, 590, 1160, 1180, 1327, 1711, 2360, 2654, 3422, 5308, 6635, 6844, 8555, 10616, 13270, 13688, 17110, 26540, 34220, 38483, 53080, 68440, 76966, 78293, 153932, 156586, 192415, 307864, 313172, 384830, 391465, 626344, 769660, 782930, 1539320, 1565860, 2270497, 3131720, 4540994, 9081988, 11352485, 18163976, 22704970, 45409940, 90819880]

約数ペア:

[(1, 90819880), (2, 45409940), (4, 22704970), (5, 18163976), (8, 11352485), (10, 9081988), (20, 4540994), (29, 3131720), (40, 2270497), (58, 1565860), (59, 1539320), (116, 782930), (118, 769660), (145, 626344), (232, 391465), (236, 384830), (290, 313172), (295, 307864), (472, 192415), (580, 156586), (590, 153932), (1160, 78293), (1180, 76966), (1327, 68440), (1711, 53080), (2360, 38483), (2654, 34220), (3422, 26540), (5308, 17110), (6635, 13688), (6844, 13270), (8555, 10616)]