40438840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4093}}^1$

素因数の和:4136

約数の個数: 64

約数和(自身を含む): 103168800

約数和(自身を除く): 62729960

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, 1976, 2470, 4093, 4940, 8186, 9880, 16372, 20465, 32744, 40930, 53209, 77767, 81860, 106418, 155534, 163720, 212836, 266045, 311068, 388835, 425672, 532090, 622136, 777670, 1010971, 1064180, 1555340, 2021942, 2128360, 3110680, 4043884, 5054855, 8087768, 10109710, 20219420, 40438840]

約数ペア:

[(1, 40438840), (2, 20219420), (4, 10109710), (5, 8087768), (8, 5054855), (10, 4043884), (13, 3110680), (19, 2128360), (20, 2021942), (26, 1555340), (38, 1064180), (40, 1010971), (52, 777670), (65, 622136), (76, 532090), (95, 425672), (104, 388835), (130, 311068), (152, 266045), (190, 212836), (247, 163720), (260, 155534), (380, 106418), (494, 81860), (520, 77767), (760, 53209), (988, 40930), (1235, 32744), (1976, 20465), (2470, 16372), (4093, 9880), (4940, 8186)]