84872720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14533}}^1$

素因数の和:14619

約数の個数: 40

約数和(自身を含む): 200045976

約数和(自身を除く): 115173256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 14533, 29066, 58132, 72665, 116264, 145330, 232528, 290660, 581320, 1060909, 1162640, 2121818, 4243636, 5304545, 8487272, 10609090, 16974544, 21218180, 42436360, 84872720]

約数ペア:

[(1, 84872720), (2, 42436360), (4, 21218180), (5, 16974544), (8, 10609090), (10, 8487272), (16, 5304545), (20, 4243636), (40, 2121818), (73, 1162640), (80, 1060909), (146, 581320), (292, 290660), (365, 232528), (584, 145330), (730, 116264), (1168, 72665), (1460, 58132), (2920, 29066), (5840, 14533)]