1964720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:653

約数の個数: 40

約数和(自身を含む): 4687200

約数和(自身を除く): 2722480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 599, 656, 820, 1198, 1640, 2396, 2995, 3280, 4792, 5990, 9584, 11980, 23960, 24559, 47920, 49118, 98236, 122795, 196472, 245590, 392944, 491180, 982360, 1964720]

約数ペア:

[(1, 1964720), (2, 982360), (4, 491180), (5, 392944), (8, 245590), (10, 196472), (16, 122795), (20, 98236), (40, 49118), (41, 47920), (80, 24559), (82, 23960), (164, 11980), (205, 9584), (328, 5990), (410, 4792), (599, 3280), (656, 2995), (820, 2396), (1198, 1640)]