39954080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 102903696

約数和(自身を除く): 62949616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 340, 370, 397, 544, 592, 629, 680, 740, 794, 1184, 1258, 1360, 1480, 1588, 1985, 2516, 2720, 2960, 3145, 3176, 3970, 5032, 5920, 6290, 6352, 6749, 7940, 10064, 12580, 12704, 13498, 14689, 15880, 20128, 25160, 26996, 29378, 31760, 33745, 50320, 53992, 58756, 63520, 67490, 73445, 100640, 107984, 117512, 134980, 146890, 215968, 235024, 249713, 269960, 293780, 470048, 499426, 539920, 587560, 998852, 1079840, 1175120, 1248565, 1997704, 2350240, 2497130, 3995408, 4994260, 7990816, 9988520, 19977040, 39954080]

約数ペア:

[(1, 39954080), (2, 19977040), (4, 9988520), (5, 7990816), (8, 4994260), (10, 3995408), (16, 2497130), (17, 2350240), (20, 1997704), (32, 1248565), (34, 1175120), (37, 1079840), (40, 998852), (68, 587560), (74, 539920), (80, 499426), (85, 470048), (136, 293780), (148, 269960), (160, 249713), (170, 235024), (185, 215968), (272, 146890), (296, 134980), (340, 117512), (370, 107984), (397, 100640), (544, 73445), (592, 67490), (629, 63520), (680, 58756), (740, 53992), (794, 50320), (1184, 33745), (1258, 31760), (1360, 29378), (1480, 26996), (1588, 25160), (1985, 20128), (2516, 15880), (2720, 14689), (2960, 13498), (3145, 12704), (3176, 12580), (3970, 10064), (5032, 7940), (5920, 6749), (6290, 6352)]