25926680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{683}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 63776160

約数和(自身を除く): 37849480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 683, 730, 949, 1366, 1460, 1898, 2732, 2920, 3415, 3796, 4745, 5464, 6830, 7592, 8879, 9490, 13660, 17758, 18980, 27320, 35516, 37960, 44395, 49859, 71032, 88790, 99718, 177580, 199436, 249295, 355160, 398872, 498590, 648167, 997180, 1296334, 1994360, 2592668, 3240835, 5185336, 6481670, 12963340, 25926680]

約数ペア:

[(1, 25926680), (2, 12963340), (4, 6481670), (5, 5185336), (8, 3240835), (10, 2592668), (13, 1994360), (20, 1296334), (26, 997180), (40, 648167), (52, 498590), (65, 398872), (73, 355160), (104, 249295), (130, 199436), (146, 177580), (260, 99718), (292, 88790), (365, 71032), (520, 49859), (584, 44395), (683, 37960), (730, 35516), (949, 27320), (1366, 18980), (1460, 17758), (1898, 13660), (2732, 9490), (2920, 8879), (3415, 7592), (3796, 6830), (4745, 5464)]