402172360

素因数分解:

$2^3\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{4931}}^1$

素因数の和:6981

約数の個数: 32

約数和(自身を含む): 905515200

約数和(自身を除く): 503342840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2039, 4078, 4931, 8156, 9862, 10195, 16312, 19724, 20390, 24655, 39448, 40780, 49310, 81560, 98620, 197240, 10054309, 20108618, 40217236, 50271545, 80434472, 100543090, 201086180, 402172360]

約数ペア:

[(1, 402172360), (2, 201086180), (4, 100543090), (5, 80434472), (8, 50271545), (10, 40217236), (20, 20108618), (40, 10054309), (2039, 197240), (4078, 98620), (4931, 81560), (8156, 49310), (9862, 40780), (10195, 39448), (16312, 24655), (19724, 20390)]