38487280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1658

約数の個数: 80

約数和(自身を含む): 100618560

約数和(自身を除く): 62131280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1609, 1840, 2392, 2990, 3218, 4784, 5980, 6436, 8045, 11960, 12872, 16090, 20917, 23920, 25744, 32180, 37007, 41834, 64360, 74014, 83668, 104585, 128720, 148028, 167336, 185035, 209170, 296056, 334672, 370070, 418340, 481091, 592112, 740140, 836680, 962182, 1480280, 1673360, 1924364, 2405455, 2960560, 3848728, 4810910, 7697456, 9621820, 19243640, 38487280]

約数ペア:

[(1, 38487280), (2, 19243640), (4, 9621820), (5, 7697456), (8, 4810910), (10, 3848728), (13, 2960560), (16, 2405455), (20, 1924364), (23, 1673360), (26, 1480280), (40, 962182), (46, 836680), (52, 740140), (65, 592112), (80, 481091), (92, 418340), (104, 370070), (115, 334672), (130, 296056), (184, 209170), (208, 185035), (230, 167336), (260, 148028), (299, 128720), (368, 104585), (460, 83668), (520, 74014), (598, 64360), (920, 41834), (1040, 37007), (1196, 32180), (1495, 25744), (1609, 23920), (1840, 20917), (2392, 16090), (2990, 12872), (3218, 11960), (4784, 8045), (5980, 6436)]