40501720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1928

約数の個数: 64

約数和(自身を含む): 105523200

約数和(自身を除く): 65021480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 1831, 2212, 2765, 3160, 3662, 4424, 5530, 7324, 9155, 11060, 12817, 14648, 18310, 22120, 25634, 36620, 51268, 64085, 73240, 102536, 128170, 144649, 256340, 289298, 512680, 578596, 723245, 1012543, 1157192, 1446490, 2025086, 2892980, 4050172, 5062715, 5785960, 8100344, 10125430, 20250860, 40501720]

約数ペア:

[(1, 40501720), (2, 20250860), (4, 10125430), (5, 8100344), (7, 5785960), (8, 5062715), (10, 4050172), (14, 2892980), (20, 2025086), (28, 1446490), (35, 1157192), (40, 1012543), (56, 723245), (70, 578596), (79, 512680), (140, 289298), (158, 256340), (280, 144649), (316, 128170), (395, 102536), (553, 73240), (632, 64085), (790, 51268), (1106, 36620), (1580, 25634), (1831, 22120), (2212, 18310), (2765, 14648), (3160, 12817), (3662, 11060), (4424, 9155), (5530, 7324)]