64816700

素因数分解:

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

素因数の和:783

約数の個数: 72

約数和(自身を含む): 153771408

約数和(自身を除く): 88954708

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 292, 325, 365, 650, 683, 730, 949, 1300, 1366, 1460, 1825, 1898, 2732, 3415, 3650, 3796, 4745, 6830, 7300, 8879, 9490, 13660, 17075, 17758, 18980, 23725, 34150, 35516, 44395, 47450, 49859, 68300, 88790, 94900, 99718, 177580, 199436, 221975, 249295, 443950, 498590, 648167, 887900, 997180, 1246475, 1296334, 2492950, 2592668, 3240835, 4985900, 6481670, 12963340, 16204175, 32408350, 64816700]

約数ペア:

[(1, 64816700), (2, 32408350), (4, 16204175), (5, 12963340), (10, 6481670), (13, 4985900), (20, 3240835), (25, 2592668), (26, 2492950), (50, 1296334), (52, 1246475), (65, 997180), (73, 887900), (100, 648167), (130, 498590), (146, 443950), (260, 249295), (292, 221975), (325, 199436), (365, 177580), (650, 99718), (683, 94900), (730, 88790), (949, 68300), (1300, 49859), (1366, 47450), (1460, 44395), (1825, 35516), (1898, 34150), (2732, 23725), (3415, 18980), (3650, 17758), (3796, 17075), (4745, 13660), (6830, 9490), (7300, 8879)]