40990820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4261}}^1$

素因数の和:4320

約数の個数: 48

約数和(自身を含む): 95230128

約数和(自身を除く): 54239308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4261, 4810, 8522, 9620, 17044, 21305, 42610, 55393, 85220, 110786, 157657, 221572, 276965, 315314, 553930, 630628, 788285, 1107860, 1576570, 2049541, 3153140, 4099082, 8198164, 10247705, 20495410, 40990820]

約数ペア:

[(1, 40990820), (2, 20495410), (4, 10247705), (5, 8198164), (10, 4099082), (13, 3153140), (20, 2049541), (26, 1576570), (37, 1107860), (52, 788285), (65, 630628), (74, 553930), (130, 315314), (148, 276965), (185, 221572), (260, 157657), (370, 110786), (481, 85220), (740, 55393), (962, 42610), (1924, 21305), (2405, 17044), (4261, 9620), (4810, 8522)]