40147880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 100794240

約数和(自身を除く): 60646360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 151, 170, 184, 230, 289, 302, 340, 391, 460, 578, 604, 680, 755, 782, 920, 1156, 1208, 1445, 1510, 1564, 1955, 2312, 2567, 2890, 3020, 3128, 3473, 3910, 5134, 5780, 6040, 6647, 6946, 7820, 10268, 11560, 12835, 13294, 13892, 15640, 17365, 20536, 25670, 26588, 27784, 33235, 34730, 43639, 51340, 53176, 59041, 66470, 69460, 87278, 102680, 118082, 132940, 138920, 174556, 218195, 236164, 265880, 295205, 349112, 436390, 472328, 590410, 872780, 1003697, 1180820, 1745560, 2007394, 2361640, 4014788, 5018485, 8029576, 10036970, 20073940, 40147880]

約数ペア:

[(1, 40147880), (2, 20073940), (4, 10036970), (5, 8029576), (8, 5018485), (10, 4014788), (17, 2361640), (20, 2007394), (23, 1745560), (34, 1180820), (40, 1003697), (46, 872780), (68, 590410), (85, 472328), (92, 436390), (115, 349112), (136, 295205), (151, 265880), (170, 236164), (184, 218195), (230, 174556), (289, 138920), (302, 132940), (340, 118082), (391, 102680), (460, 87278), (578, 69460), (604, 66470), (680, 59041), (755, 53176), (782, 51340), (920, 43639), (1156, 34730), (1208, 33235), (1445, 27784), (1510, 26588), (1564, 25670), (1955, 20536), (2312, 17365), (2567, 15640), (2890, 13892), (3020, 13294), (3128, 12835), (3473, 11560), (3910, 10268), (5134, 7820), (5780, 6946), (6040, 6647)]