8131120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 20186208

約数和(自身を除く): 12055088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 67, 74, 80, 82, 134, 148, 164, 185, 205, 268, 296, 328, 335, 370, 410, 536, 592, 656, 670, 740, 820, 1072, 1340, 1480, 1517, 1640, 2479, 2680, 2747, 2960, 3034, 3280, 4958, 5360, 5494, 6068, 7585, 9916, 10988, 12136, 12395, 13735, 15170, 19832, 21976, 24272, 24790, 27470, 30340, 39664, 43952, 49580, 54940, 60680, 99160, 101639, 109880, 121360, 198320, 203278, 219760, 406556, 508195, 813112, 1016390, 1626224, 2032780, 4065560, 8131120]

約数ペア:

[(1, 8131120), (2, 4065560), (4, 2032780), (5, 1626224), (8, 1016390), (10, 813112), (16, 508195), (20, 406556), (37, 219760), (40, 203278), (41, 198320), (67, 121360), (74, 109880), (80, 101639), (82, 99160), (134, 60680), (148, 54940), (164, 49580), (185, 43952), (205, 39664), (268, 30340), (296, 27470), (328, 24790), (335, 24272), (370, 21976), (410, 19832), (536, 15170), (592, 13735), (656, 12395), (670, 12136), (740, 10988), (820, 9916), (1072, 7585), (1340, 6068), (1480, 5494), (1517, 5360), (1640, 4958), (2479, 3280), (2680, 3034), (2747, 2960)]