71713480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 172160640

約数和(自身を除く): 100447160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 647, 652, 680, 815, 1294, 1304, 1630, 2588, 2771, 3235, 3260, 5176, 5542, 6470, 6520, 10999, 11084, 12940, 13855, 21998, 22168, 25880, 27710, 43996, 54995, 55420, 87992, 105461, 109990, 110840, 210922, 219980, 421844, 439960, 527305, 843688, 1054610, 1792837, 2109220, 3585674, 4218440, 7171348, 8964185, 14342696, 17928370, 35856740, 71713480]

約数ペア:

[(1, 71713480), (2, 35856740), (4, 17928370), (5, 14342696), (8, 8964185), (10, 7171348), (17, 4218440), (20, 3585674), (34, 2109220), (40, 1792837), (68, 1054610), (85, 843688), (136, 527305), (163, 439960), (170, 421844), (326, 219980), (340, 210922), (647, 110840), (652, 109990), (680, 105461), (815, 87992), (1294, 55420), (1304, 54995), (1630, 43996), (2588, 27710), (2771, 25880), (3235, 22168), (3260, 21998), (5176, 13855), (5542, 12940), (6470, 11084), (6520, 10999)]