40015640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{593}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 103498560

約数和(自身を除く): 63482920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 593, 964, 1186, 1205, 1687, 1928, 2372, 2410, 2965, 3374, 4151, 4744, 4820, 5930, 6748, 8302, 8435, 9640, 11860, 13496, 16604, 16870, 20755, 23720, 33208, 33740, 41510, 67480, 83020, 142913, 166040, 285826, 571652, 714565, 1000391, 1143304, 1429130, 2000782, 2858260, 4001564, 5001955, 5716520, 8003128, 10003910, 20007820, 40015640]

約数ペア:

[(1, 40015640), (2, 20007820), (4, 10003910), (5, 8003128), (7, 5716520), (8, 5001955), (10, 4001564), (14, 2858260), (20, 2000782), (28, 1429130), (35, 1143304), (40, 1000391), (56, 714565), (70, 571652), (140, 285826), (241, 166040), (280, 142913), (482, 83020), (593, 67480), (964, 41510), (1186, 33740), (1205, 33208), (1687, 23720), (1928, 20755), (2372, 16870), (2410, 16604), (2965, 13496), (3374, 11860), (4151, 9640), (4744, 8435), (4820, 8302), (5930, 6748)]