40871680

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 100662912

約数和(自身を除く): 59791232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 863, 1184, 1280, 1480, 1726, 2368, 2960, 3452, 4315, 4736, 5920, 6904, 8630, 9472, 11840, 13808, 17260, 23680, 27616, 31931, 34520, 47360, 55232, 63862, 69040, 110464, 127724, 138080, 159655, 220928, 255448, 276160, 319310, 510896, 552320, 638620, 1021792, 1104640, 1277240, 2043584, 2554480, 4087168, 5108960, 8174336, 10217920, 20435840, 40871680]

約数ペア:

[(1, 40871680), (2, 20435840), (4, 10217920), (5, 8174336), (8, 5108960), (10, 4087168), (16, 2554480), (20, 2043584), (32, 1277240), (37, 1104640), (40, 1021792), (64, 638620), (74, 552320), (80, 510896), (128, 319310), (148, 276160), (160, 255448), (185, 220928), (256, 159655), (296, 138080), (320, 127724), (370, 110464), (592, 69040), (640, 63862), (740, 55232), (863, 47360), (1184, 34520), (1280, 31931), (1480, 27616), (1726, 23680), (2368, 17260), (2960, 13808), (3452, 11840), (4315, 9472), (4736, 8630), (5920, 6904)]