39919984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{683}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 83713392

約数和(自身を除く): 43793408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281, 562, 683, 1124, 1366, 2248, 2732, 3653, 4496, 5464, 7306, 8879, 10928, 14612, 17758, 29224, 35516, 58448, 71032, 142064, 191923, 383846, 767692, 1535384, 2494999, 3070768, 4989998, 9979996, 19959992, 39919984]

約数ペア:

[(1, 39919984), (2, 19959992), (4, 9979996), (8, 4989998), (13, 3070768), (16, 2494999), (26, 1535384), (52, 767692), (104, 383846), (208, 191923), (281, 142064), (562, 71032), (683, 58448), (1124, 35516), (1366, 29224), (2248, 17758), (2732, 14612), (3653, 10928), (4496, 8879), (5464, 7306)]