9120040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 21591360

約数和(自身を除く): 12471320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 83, 134, 164, 166, 205, 268, 328, 332, 335, 410, 415, 536, 664, 670, 820, 830, 1340, 1640, 1660, 2680, 2747, 3320, 3403, 5494, 5561, 6806, 10988, 11122, 13612, 13735, 17015, 21976, 22244, 27224, 27470, 27805, 34030, 44488, 54940, 55610, 68060, 109880, 111220, 136120, 222440, 228001, 456002, 912004, 1140005, 1824008, 2280010, 4560020, 9120040]

約数ペア:

[(1, 9120040), (2, 4560020), (4, 2280010), (5, 1824008), (8, 1140005), (10, 912004), (20, 456002), (40, 228001), (41, 222440), (67, 136120), (82, 111220), (83, 109880), (134, 68060), (164, 55610), (166, 54940), (205, 44488), (268, 34030), (328, 27805), (332, 27470), (335, 27224), (410, 22244), (415, 21976), (536, 17015), (664, 13735), (670, 13612), (820, 11122), (830, 10988), (1340, 6806), (1640, 5561), (1660, 5494), (2680, 3403), (2747, 3320)]