28693960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42197}}^1$

素因数の和:42225

約数の個数: 32

約数和(自身を含む): 68360760

約数和(自身を除く): 39666800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42197, 84394, 168788, 210985, 337576, 421970, 717349, 843940, 1434698, 1687880, 2869396, 3586745, 5738792, 7173490, 14346980, 28693960]

約数ペア:

[(1, 28693960), (2, 14346980), (4, 7173490), (5, 5738792), (8, 3586745), (10, 2869396), (17, 1687880), (20, 1434698), (34, 843940), (40, 717349), (68, 421970), (85, 337576), (136, 210985), (170, 168788), (340, 84394), (680, 42197)]