11402920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 27896400

約数和(自身を除く): 16493480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 409, 410, 680, 697, 818, 820, 1394, 1636, 1640, 2045, 2788, 3272, 3485, 4090, 5576, 6953, 6970, 8180, 13906, 13940, 16360, 16769, 27812, 27880, 33538, 34765, 55624, 67076, 69530, 83845, 134152, 139060, 167690, 278120, 285073, 335380, 570146, 670760, 1140292, 1425365, 2280584, 2850730, 5701460, 11402920]

約数ペア:

[(1, 11402920), (2, 5701460), (4, 2850730), (5, 2280584), (8, 1425365), (10, 1140292), (17, 670760), (20, 570146), (34, 335380), (40, 285073), (41, 278120), (68, 167690), (82, 139060), (85, 134152), (136, 83845), (164, 69530), (170, 67076), (205, 55624), (328, 34765), (340, 33538), (409, 27880), (410, 27812), (680, 16769), (697, 16360), (818, 13940), (820, 13906), (1394, 8180), (1636, 6970), (1640, 6953), (2045, 5576), (2788, 4090), (3272, 3485)]