90274960

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1823}}^1$

素因数の和:2455

約数の個数: 40

約数和(自身を含む): 210343680

約数和(自身を除く): 120068720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 1238, 1823, 2476, 3095, 3646, 4952, 6190, 7292, 9115, 9904, 12380, 14584, 18230, 24760, 29168, 36460, 49520, 72920, 145840, 1128437, 2256874, 4513748, 5642185, 9027496, 11284370, 18054992, 22568740, 45137480, 90274960]

約数ペア:

[(1, 90274960), (2, 45137480), (4, 22568740), (5, 18054992), (8, 11284370), (10, 9027496), (16, 5642185), (20, 4513748), (40, 2256874), (80, 1128437), (619, 145840), (1238, 72920), (1823, 49520), (2476, 36460), (3095, 29168), (3646, 24760), (4952, 18230), (6190, 14584), (7292, 12380), (9115, 9904)]