51487720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1831}}^1$

素因数の和:1898

約数の個数: 64

約数和(自身を含む): 125308800

約数和(自身を除く): 73821080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 1831, 2812, 3515, 3662, 5624, 7030, 7324, 9155, 14060, 14648, 18310, 28120, 34789, 36620, 67747, 69578, 73240, 135494, 139156, 173945, 270988, 278312, 338735, 347890, 541976, 677470, 695780, 1287193, 1354940, 1391560, 2574386, 2709880, 5148772, 6435965, 10297544, 12871930, 25743860, 51487720]

約数ペア:

[(1, 51487720), (2, 25743860), (4, 12871930), (5, 10297544), (8, 6435965), (10, 5148772), (19, 2709880), (20, 2574386), (37, 1391560), (38, 1354940), (40, 1287193), (74, 695780), (76, 677470), (95, 541976), (148, 347890), (152, 338735), (185, 278312), (190, 270988), (296, 173945), (370, 139156), (380, 135494), (703, 73240), (740, 69578), (760, 67747), (1406, 36620), (1480, 34789), (1831, 28120), (2812, 18310), (3515, 14648), (3662, 14060), (5624, 9155), (7030, 7324)]