13326640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 20421200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 239, 272, 328, 340, 410, 478, 656, 680, 697, 820, 956, 1195, 1360, 1394, 1640, 1912, 2390, 2788, 3280, 3485, 3824, 4063, 4780, 5576, 6970, 8126, 9560, 9799, 11152, 13940, 16252, 19120, 19598, 20315, 27880, 32504, 39196, 40630, 48995, 55760, 65008, 78392, 81260, 97990, 156784, 162520, 166583, 195980, 325040, 333166, 391960, 666332, 783920, 832915, 1332664, 1665830, 2665328, 3331660, 6663320, 13326640]

約数ペア:

[(1, 13326640), (2, 6663320), (4, 3331660), (5, 2665328), (8, 1665830), (10, 1332664), (16, 832915), (17, 783920), (20, 666332), (34, 391960), (40, 333166), (41, 325040), (68, 195980), (80, 166583), (82, 162520), (85, 156784), (136, 97990), (164, 81260), (170, 78392), (205, 65008), (239, 55760), (272, 48995), (328, 40630), (340, 39196), (410, 32504), (478, 27880), (656, 20315), (680, 19598), (697, 19120), (820, 16252), (956, 13940), (1195, 11152), (1360, 9799), (1394, 9560), (1640, 8126), (1912, 6970), (2390, 5576), (2788, 4780), (3280, 4063), (3485, 3824)]