38290720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:518

約数の個数: 96

約数和(自身を含む): 100018800

約数和(自身を除く): 61728080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 328, 410, 416, 449, 520, 533, 656, 820, 898, 1040, 1066, 1312, 1640, 1796, 2080, 2132, 2245, 2665, 3280, 3592, 4264, 4490, 5330, 5837, 6560, 7184, 8528, 8980, 10660, 11674, 14368, 17056, 17960, 18409, 21320, 23348, 29185, 35920, 36818, 42640, 46696, 58370, 71840, 73636, 85280, 92045, 93392, 116740, 147272, 184090, 186784, 233480, 239317, 294544, 368180, 466960, 478634, 589088, 736360, 933920, 957268, 1196585, 1472720, 1914536, 2393170, 2945440, 3829072, 4786340, 7658144, 9572680, 19145360, 38290720]

約数ペア:

[(1, 38290720), (2, 19145360), (4, 9572680), (5, 7658144), (8, 4786340), (10, 3829072), (13, 2945440), (16, 2393170), (20, 1914536), (26, 1472720), (32, 1196585), (40, 957268), (41, 933920), (52, 736360), (65, 589088), (80, 478634), (82, 466960), (104, 368180), (130, 294544), (160, 239317), (164, 233480), (205, 186784), (208, 184090), (260, 147272), (328, 116740), (410, 93392), (416, 92045), (449, 85280), (520, 73636), (533, 71840), (656, 58370), (820, 46696), (898, 42640), (1040, 36818), (1066, 35920), (1312, 29185), (1640, 23348), (1796, 21320), (2080, 18409), (2132, 17960), (2245, 17056), (2665, 14368), (3280, 11674), (3592, 10660), (4264, 8980), (4490, 8528), (5330, 7184), (5837, 6560)]