86437840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 220251528

約数和(自身を除く): 133813688

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 73, 76, 80, 82, 95, 146, 152, 164, 190, 205, 292, 304, 328, 361, 365, 380, 410, 584, 656, 722, 730, 760, 779, 820, 1168, 1387, 1444, 1460, 1520, 1558, 1640, 1805, 2774, 2888, 2920, 2993, 3116, 3280, 3610, 3895, 5548, 5776, 5840, 5986, 6232, 6935, 7220, 7790, 11096, 11972, 12464, 13870, 14440, 14801, 14965, 15580, 22192, 23944, 26353, 27740, 28880, 29602, 29930, 31160, 47888, 52706, 55480, 56867, 59204, 59860, 62320, 74005, 105412, 110960, 113734, 118408, 119720, 131765, 148010, 210824, 227468, 236816, 239440, 263530, 284335, 296020, 421648, 454936, 527060, 568670, 592040, 909872, 1054120, 1080473, 1137340, 1184080, 2108240, 2160946, 2274680, 4321892, 4549360, 5402365, 8643784, 10804730, 17287568, 21609460, 43218920, 86437840]

約数ペア:

[(1, 86437840), (2, 43218920), (4, 21609460), (5, 17287568), (8, 10804730), (10, 8643784), (16, 5402365), (19, 4549360), (20, 4321892), (38, 2274680), (40, 2160946), (41, 2108240), (73, 1184080), (76, 1137340), (80, 1080473), (82, 1054120), (95, 909872), (146, 592040), (152, 568670), (164, 527060), (190, 454936), (205, 421648), (292, 296020), (304, 284335), (328, 263530), (361, 239440), (365, 236816), (380, 227468), (410, 210824), (584, 148010), (656, 131765), (722, 119720), (730, 118408), (760, 113734), (779, 110960), (820, 105412), (1168, 74005), (1387, 62320), (1444, 59860), (1460, 59204), (1520, 56867), (1558, 55480), (1640, 52706), (1805, 47888), (2774, 31160), (2888, 29930), (2920, 29602), (2993, 28880), (3116, 27740), (3280, 26353), (3610, 23944), (3895, 22192), (5548, 15580), (5776, 14965), (5840, 14801), (5986, 14440), (6232, 13870), (6935, 12464), (7220, 11972), (7790, 11096)]