64537720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9547}}^1$

素因数の和:9584

約数の個数: 48

約数和(自身を含む): 157255560

約数和(自身を除く): 92717840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 9547, 19094, 38188, 47735, 76376, 95470, 124111, 190940, 248222, 381880, 496444, 620555, 992888, 1241110, 1613443, 2482220, 3226886, 4964440, 6453772, 8067215, 12907544, 16134430, 32268860, 64537720]

約数ペア:

[(1, 64537720), (2, 32268860), (4, 16134430), (5, 12907544), (8, 8067215), (10, 6453772), (13, 4964440), (20, 3226886), (26, 2482220), (40, 1613443), (52, 1241110), (65, 992888), (104, 620555), (130, 496444), (169, 381880), (260, 248222), (338, 190940), (520, 124111), (676, 95470), (845, 76376), (1352, 47735), (1690, 38188), (3380, 19094), (6760, 9547)]