31945160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2671}}^1$

素因数の和:2718

約数の個数: 64

約数和(自身を含む): 80801280

約数和(自身を除く): 48856120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2671, 2990, 5342, 5980, 10684, 11960, 13355, 21368, 26710, 34723, 53420, 61433, 69446, 106840, 122866, 138892, 173615, 245732, 277784, 307165, 347230, 491464, 614330, 694460, 798629, 1228660, 1388920, 1597258, 2457320, 3194516, 3993145, 6389032, 7986290, 15972580, 31945160]

約数ペア:

[(1, 31945160), (2, 15972580), (4, 7986290), (5, 6389032), (8, 3993145), (10, 3194516), (13, 2457320), (20, 1597258), (23, 1388920), (26, 1228660), (40, 798629), (46, 694460), (52, 614330), (65, 491464), (92, 347230), (104, 307165), (115, 277784), (130, 245732), (184, 173615), (230, 138892), (260, 122866), (299, 106840), (460, 69446), (520, 61433), (598, 53420), (920, 34723), (1196, 26710), (1495, 21368), (2392, 13355), (2671, 11960), (2990, 10684), (5342, 5980)]