1640374060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{88861}}^1$

素因数の和:88954

約数の個数: 48

約数和(自身を含む): 3762061632

約数和(自身を除く): 2121687572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 88861, 177722, 355444, 444305, 888610, 1155193, 1777220, 2310386, 4620772, 5775965, 6309131, 11551930, 12618262, 23103860, 25236524, 31545655, 63091310, 82018703, 126182620, 164037406, 328074812, 410093515, 820187030, 1640374060]

約数ペア:

[(1, 1640374060), (2, 820187030), (4, 410093515), (5, 328074812), (10, 164037406), (13, 126182620), (20, 82018703), (26, 63091310), (52, 31545655), (65, 25236524), (71, 23103860), (130, 12618262), (142, 11551930), (260, 6309131), (284, 5775965), (355, 4620772), (710, 2310386), (923, 1777220), (1420, 1155193), (1846, 888610), (3692, 444305), (4615, 355444), (9230, 177722), (18460, 88861)]