85721480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9697}}^1$

素因数の和:9738

約数の個数: 64

約数和(自身を含む): 219950640

約数和(自身を除く): 134229160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 9697, 19394, 38788, 48485, 77576, 96970, 126061, 164849, 193940, 252122, 329698, 387880, 504244, 630305, 659396, 824245, 1008488, 1260610, 1318792, 1648490, 2143037, 2521220, 3296980, 4286074, 5042440, 6593960, 8572148, 10715185, 17144296, 21430370, 42860740, 85721480]

約数ペア:

[(1, 85721480), (2, 42860740), (4, 21430370), (5, 17144296), (8, 10715185), (10, 8572148), (13, 6593960), (17, 5042440), (20, 4286074), (26, 3296980), (34, 2521220), (40, 2143037), (52, 1648490), (65, 1318792), (68, 1260610), (85, 1008488), (104, 824245), (130, 659396), (136, 630305), (170, 504244), (221, 387880), (260, 329698), (340, 252122), (442, 193940), (520, 164849), (680, 126061), (884, 96970), (1105, 77576), (1768, 48485), (2210, 38788), (4420, 19394), (8840, 9697)]