83919680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20173}}^1$

素因数の和:20203

約数の個数: 56

約数和(自身を含む): 215216232

約数和(自身を除く): 131296552

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, 20173, 40346, 80692, 100865, 161384, 201730, 262249, 322768, 403460, 524498, 645536, 806920, 1048996, 1291072, 1311245, 1613840, 2097992, 2622490, 3227680, 4195984, 5244980, 6455360, 8391968, 10489960, 16783936, 20979920, 41959840, 83919680]

約数ペア:

[(1, 83919680), (2, 41959840), (4, 20979920), (5, 16783936), (8, 10489960), (10, 8391968), (13, 6455360), (16, 5244980), (20, 4195984), (26, 3227680), (32, 2622490), (40, 2097992), (52, 1613840), (64, 1311245), (65, 1291072), (80, 1048996), (104, 806920), (130, 645536), (160, 524498), (208, 403460), (260, 322768), (320, 262249), (416, 201730), (520, 161384), (832, 100865), (1040, 80692), (2080, 40346), (4160, 20173)]