16726840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 42688800

約数和(自身を除く): 25961960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1693, 1976, 2470, 3386, 4940, 6772, 8465, 9880, 13544, 16930, 22009, 32167, 33860, 44018, 64334, 67720, 88036, 110045, 128668, 160835, 176072, 220090, 257336, 321670, 418171, 440180, 643340, 836342, 880360, 1286680, 1672684, 2090855, 3345368, 4181710, 8363420, 16726840]

約数ペア:

[(1, 16726840), (2, 8363420), (4, 4181710), (5, 3345368), (8, 2090855), (10, 1672684), (13, 1286680), (19, 880360), (20, 836342), (26, 643340), (38, 440180), (40, 418171), (52, 321670), (65, 257336), (76, 220090), (95, 176072), (104, 160835), (130, 128668), (152, 110045), (190, 88036), (247, 67720), (260, 64334), (380, 44018), (494, 33860), (520, 32167), (760, 22009), (988, 16930), (1235, 13544), (1693, 9880), (1976, 8465), (2470, 6772), (3386, 4940)]