87016880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 216548640

約数和(自身を除く): 129531760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 545, 587, 680, 872, 1090, 1174, 1360, 1744, 1853, 2180, 2348, 2935, 3706, 4360, 4696, 5870, 7412, 8720, 9265, 9392, 9979, 11740, 14824, 18530, 19958, 23480, 29648, 37060, 39916, 46960, 49895, 63983, 74120, 79832, 99790, 127966, 148240, 159664, 199580, 255932, 319915, 399160, 511864, 639830, 798320, 1023728, 1087711, 1279660, 2175422, 2559320, 4350844, 5118640, 5438555, 8701688, 10877110, 17403376, 21754220, 43508440, 87016880]

約数ペア:

[(1, 87016880), (2, 43508440), (4, 21754220), (5, 17403376), (8, 10877110), (10, 8701688), (16, 5438555), (17, 5118640), (20, 4350844), (34, 2559320), (40, 2175422), (68, 1279660), (80, 1087711), (85, 1023728), (109, 798320), (136, 639830), (170, 511864), (218, 399160), (272, 319915), (340, 255932), (436, 199580), (545, 159664), (587, 148240), (680, 127966), (872, 99790), (1090, 79832), (1174, 74120), (1360, 63983), (1744, 49895), (1853, 46960), (2180, 39916), (2348, 37060), (2935, 29648), (3706, 23480), (4360, 19958), (4696, 18530), (5870, 14824), (7412, 11740), (8720, 9979), (9265, 9392)]