25091560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 61724880

約数和(自身を除く): 36633320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 661, 730, 949, 1322, 1460, 1898, 2644, 2920, 3305, 3796, 4745, 5288, 6610, 7592, 8593, 9490, 13220, 17186, 18980, 26440, 34372, 37960, 42965, 48253, 68744, 85930, 96506, 171860, 193012, 241265, 343720, 386024, 482530, 627289, 965060, 1254578, 1930120, 2509156, 3136445, 5018312, 6272890, 12545780, 25091560]

約数ペア:

[(1, 25091560), (2, 12545780), (4, 6272890), (5, 5018312), (8, 3136445), (10, 2509156), (13, 1930120), (20, 1254578), (26, 965060), (40, 627289), (52, 482530), (65, 386024), (73, 343720), (104, 241265), (130, 193012), (146, 171860), (260, 96506), (292, 85930), (365, 68744), (520, 48253), (584, 42965), (661, 37960), (730, 34372), (949, 26440), (1322, 18980), (1460, 17186), (1898, 13220), (2644, 9490), (2920, 8593), (3305, 7592), (3796, 6610), (4745, 5288)]