90982840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 227549520

約数和(自身を除く): 136566680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 169, 172, 215, 260, 313, 338, 344, 430, 520, 559, 626, 676, 845, 860, 1118, 1252, 1352, 1565, 1690, 1720, 2236, 2504, 2795, 3130, 3380, 4069, 4472, 5590, 6260, 6760, 7267, 8138, 11180, 12520, 13459, 14534, 16276, 20345, 22360, 26918, 29068, 32552, 36335, 40690, 52897, 53836, 58136, 67295, 72670, 81380, 105794, 107672, 134590, 145340, 162760, 174967, 211588, 264485, 269180, 290680, 349934, 423176, 528970, 538360, 699868, 874835, 1057940, 1399736, 1749670, 2115880, 2274571, 3499340, 4549142, 6998680, 9098284, 11372855, 18196568, 22745710, 45491420, 90982840]

約数ペア:

[(1, 90982840), (2, 45491420), (4, 22745710), (5, 18196568), (8, 11372855), (10, 9098284), (13, 6998680), (20, 4549142), (26, 3499340), (40, 2274571), (43, 2115880), (52, 1749670), (65, 1399736), (86, 1057940), (104, 874835), (130, 699868), (169, 538360), (172, 528970), (215, 423176), (260, 349934), (313, 290680), (338, 269180), (344, 264485), (430, 211588), (520, 174967), (559, 162760), (626, 145340), (676, 134590), (845, 107672), (860, 105794), (1118, 81380), (1252, 72670), (1352, 67295), (1565, 58136), (1690, 53836), (1720, 52897), (2236, 40690), (2504, 36335), (2795, 32552), (3130, 29068), (3380, 26918), (4069, 22360), (4472, 20345), (5590, 16276), (6260, 14534), (6760, 13459), (7267, 12520), (8138, 11180)]