16484440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 42845760

約数和(自身を除く): 26361320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 521, 565, 791, 904, 1042, 1130, 1582, 2084, 2260, 2605, 3164, 3647, 3955, 4168, 4520, 5210, 6328, 7294, 7910, 10420, 14588, 15820, 18235, 20840, 29176, 31640, 36470, 58873, 72940, 117746, 145880, 235492, 294365, 412111, 470984, 588730, 824222, 1177460, 1648444, 2060555, 2354920, 3296888, 4121110, 8242220, 16484440]

約数ペア:

[(1, 16484440), (2, 8242220), (4, 4121110), (5, 3296888), (7, 2354920), (8, 2060555), (10, 1648444), (14, 1177460), (20, 824222), (28, 588730), (35, 470984), (40, 412111), (56, 294365), (70, 235492), (113, 145880), (140, 117746), (226, 72940), (280, 58873), (452, 36470), (521, 31640), (565, 29176), (791, 20840), (904, 18235), (1042, 15820), (1130, 14588), (1582, 10420), (2084, 7910), (2260, 7294), (2605, 6328), (3164, 5210), (3647, 4520), (3955, 4168)]