28616780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4951}}^1$

素因数の和:4994

約数の個数: 36

約数和(自身を含む): 63851088

約数和(自身を除く): 35234308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4951, 5780, 9902, 19804, 24755, 49510, 84167, 99020, 168334, 336668, 420835, 841670, 1430839, 1683340, 2861678, 5723356, 7154195, 14308390, 28616780]

約数ペア:

[(1, 28616780), (2, 14308390), (4, 7154195), (5, 5723356), (10, 2861678), (17, 1683340), (20, 1430839), (34, 841670), (68, 420835), (85, 336668), (170, 168334), (289, 99020), (340, 84167), (578, 49510), (1156, 24755), (1445, 19804), (2890, 9902), (4951, 5780)]