28550600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 72912000

約数和(自身を除く): 44361400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 79, 100, 104, 130, 139, 158, 200, 260, 278, 316, 325, 395, 520, 556, 632, 650, 695, 790, 1027, 1112, 1300, 1390, 1580, 1807, 1975, 2054, 2600, 2780, 3160, 3475, 3614, 3950, 4108, 5135, 5560, 6950, 7228, 7900, 8216, 9035, 10270, 10981, 13900, 14456, 15800, 18070, 20540, 21962, 25675, 27800, 36140, 41080, 43924, 45175, 51350, 54905, 72280, 87848, 90350, 102700, 109810, 142753, 180700, 205400, 219620, 274525, 285506, 361400, 439240, 549050, 571012, 713765, 1098100, 1142024, 1427530, 2196200, 2855060, 3568825, 5710120, 7137650, 14275300, 28550600]

約数ペア:

[(1, 28550600), (2, 14275300), (4, 7137650), (5, 5710120), (8, 3568825), (10, 2855060), (13, 2196200), (20, 1427530), (25, 1142024), (26, 1098100), (40, 713765), (50, 571012), (52, 549050), (65, 439240), (79, 361400), (100, 285506), (104, 274525), (130, 219620), (139, 205400), (158, 180700), (200, 142753), (260, 109810), (278, 102700), (316, 90350), (325, 87848), (395, 72280), (520, 54905), (556, 51350), (632, 45175), (650, 43924), (695, 41080), (790, 36140), (1027, 27800), (1112, 25675), (1300, 21962), (1390, 20540), (1580, 18070), (1807, 15800), (1975, 14456), (2054, 13900), (2600, 10981), (2780, 10270), (3160, 9035), (3475, 8216), (3614, 7900), (3950, 7228), (4108, 6950), (5135, 5560)]