879671780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{4111}}^1$

素因数の和:4956

約数の個数: 48

約数和(自身を含む): 1992313344

約数和(自身を除く): 1112641564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 823, 1646, 3292, 4111, 4115, 8222, 8230, 10699, 16444, 16460, 20555, 21398, 41110, 42796, 53443, 53495, 82220, 106886, 106990, 213772, 213980, 267215, 534430, 1068860, 3383353, 6766706, 13533412, 16916765, 33833530, 43983589, 67667060, 87967178, 175934356, 219917945, 439835890, 879671780]

約数ペア:

[(1, 879671780), (2, 439835890), (4, 219917945), (5, 175934356), (10, 87967178), (13, 67667060), (20, 43983589), (26, 33833530), (52, 16916765), (65, 13533412), (130, 6766706), (260, 3383353), (823, 1068860), (1646, 534430), (3292, 267215), (4111, 213980), (4115, 213772), (8222, 106990), (8230, 106886), (10699, 82220), (16444, 53495), (16460, 53443), (20555, 42796), (21398, 41110)]