40217840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38671}}^1$

素因数の和:38697

約数の個数: 40

約数和(自身を含む): 100701888

約数和(自身を除く): 60484048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38671, 77342, 154684, 193355, 309368, 386710, 502723, 618736, 773420, 1005446, 1546840, 2010892, 2513615, 3093680, 4021784, 5027230, 8043568, 10054460, 20108920, 40217840]

約数ペア:

[(1, 40217840), (2, 20108920), (4, 10054460), (5, 8043568), (8, 5027230), (10, 4021784), (13, 3093680), (16, 2513615), (20, 2010892), (26, 1546840), (40, 1005446), (52, 773420), (65, 618736), (80, 502723), (104, 386710), (130, 309368), (208, 193355), (260, 154684), (520, 77342), (1040, 38671)]