25902760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 63478800

約数和(自身を除く): 37576040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 457, 520, 545, 872, 914, 1090, 1417, 1828, 2180, 2285, 2834, 3656, 4360, 4570, 5668, 5941, 7085, 9140, 11336, 11882, 14170, 18280, 23764, 28340, 29705, 47528, 49813, 56680, 59410, 99626, 118820, 199252, 237640, 249065, 398504, 498130, 647569, 996260, 1295138, 1992520, 2590276, 3237845, 5180552, 6475690, 12951380, 25902760]

約数ペア:

[(1, 25902760), (2, 12951380), (4, 6475690), (5, 5180552), (8, 3237845), (10, 2590276), (13, 1992520), (20, 1295138), (26, 996260), (40, 647569), (52, 498130), (65, 398504), (104, 249065), (109, 237640), (130, 199252), (218, 118820), (260, 99626), (436, 59410), (457, 56680), (520, 49813), (545, 47528), (872, 29705), (914, 28340), (1090, 23764), (1417, 18280), (1828, 14170), (2180, 11882), (2285, 11336), (2834, 9140), (3656, 7085), (4360, 5941), (4570, 5668)]