31919680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7673}}^1$

素因数の和:7703

約数の個数: 56

約数和(自身を含む): 81866232

約数和(自身を除く): 49946552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 7673, 15346, 30692, 38365, 61384, 76730, 99749, 122768, 153460, 199498, 245536, 306920, 398996, 491072, 498745, 613840, 797992, 997490, 1227680, 1595984, 1994980, 2455360, 3191968, 3989960, 6383936, 7979920, 15959840, 31919680]

約数ペア:

[(1, 31919680), (2, 15959840), (4, 7979920), (5, 6383936), (8, 3989960), (10, 3191968), (13, 2455360), (16, 1994980), (20, 1595984), (26, 1227680), (32, 997490), (40, 797992), (52, 613840), (64, 498745), (65, 491072), (80, 398996), (104, 306920), (130, 245536), (160, 199498), (208, 153460), (260, 122768), (320, 99749), (416, 76730), (520, 61384), (832, 38365), (1040, 30692), (2080, 15346), (4160, 7673)]