181198480

素因数分解:

$2^4\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1619}}^1$

素因数の和:3031

約数の個数: 40

約数和(自身を含む): 421848000

約数和(自身を除く): 240649520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1399, 1619, 2798, 3238, 5596, 6476, 6995, 8095, 11192, 12952, 13990, 16190, 22384, 25904, 27980, 32380, 55960, 64760, 111920, 129520, 2264981, 4529962, 9059924, 11324905, 18119848, 22649810, 36239696, 45299620, 90599240, 181198480]

約数ペア:

[(1, 181198480), (2, 90599240), (4, 45299620), (5, 36239696), (8, 22649810), (10, 18119848), (16, 11324905), (20, 9059924), (40, 4529962), (80, 2264981), (1399, 129520), (1619, 111920), (2798, 64760), (3238, 55960), (5596, 32380), (6476, 27980), (6995, 25904), (8095, 22384), (11192, 16190), (12952, 13990)]