88989680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2154

約数の個数: 80

約数和(自身を含む): 228360384

約数和(自身を除く): 139370704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2087, 2132, 2665, 3280, 4174, 4264, 5330, 8348, 8528, 10435, 10660, 16696, 20870, 21320, 27131, 33392, 41740, 42640, 54262, 83480, 85567, 108524, 135655, 166960, 171134, 217048, 271310, 342268, 427835, 434096, 542620, 684536, 855670, 1085240, 1112371, 1369072, 1711340, 2170480, 2224742, 3422680, 4449484, 5561855, 6845360, 8898968, 11123710, 17797936, 22247420, 44494840, 88989680]

約数ペア:

[(1, 88989680), (2, 44494840), (4, 22247420), (5, 17797936), (8, 11123710), (10, 8898968), (13, 6845360), (16, 5561855), (20, 4449484), (26, 3422680), (40, 2224742), (41, 2170480), (52, 1711340), (65, 1369072), (80, 1112371), (82, 1085240), (104, 855670), (130, 684536), (164, 542620), (205, 434096), (208, 427835), (260, 342268), (328, 271310), (410, 217048), (520, 171134), (533, 166960), (656, 135655), (820, 108524), (1040, 85567), (1066, 83480), (1640, 54262), (2087, 42640), (2132, 41740), (2665, 33392), (3280, 27131), (4174, 21320), (4264, 20870), (5330, 16696), (8348, 10660), (8528, 10435)]