42488680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 104101200

約数和(自身を除く): 61612520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 809, 1010, 1313, 1618, 2020, 2626, 3236, 4040, 4045, 5252, 6472, 6565, 8090, 10504, 10517, 13130, 16180, 21034, 26260, 32360, 42068, 52520, 52585, 81709, 84136, 105170, 163418, 210340, 326836, 408545, 420680, 653672, 817090, 1062217, 1634180, 2124434, 3268360, 4248868, 5311085, 8497736, 10622170, 21244340, 42488680]

約数ペア:

[(1, 42488680), (2, 21244340), (4, 10622170), (5, 8497736), (8, 5311085), (10, 4248868), (13, 3268360), (20, 2124434), (26, 1634180), (40, 1062217), (52, 817090), (65, 653672), (101, 420680), (104, 408545), (130, 326836), (202, 210340), (260, 163418), (404, 105170), (505, 84136), (520, 81709), (808, 52585), (809, 52520), (1010, 42068), (1313, 32360), (1618, 26260), (2020, 21034), (2626, 16180), (3236, 13130), (4040, 10517), (4045, 10504), (5252, 8090), (6472, 6565)]