87885620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{619}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 191654400

約数和(自身を除く): 103768780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 619, 620, 916, 1145, 1238, 2290, 2476, 3095, 4580, 6190, 7099, 12380, 14198, 19189, 28396, 35495, 38378, 70990, 76756, 95945, 141751, 141980, 191890, 283502, 383780, 567004, 708755, 1417510, 2835020, 4394281, 8788562, 17577124, 21971405, 43942810, 87885620]

約数ペア:

[(1, 87885620), (2, 43942810), (4, 21971405), (5, 17577124), (10, 8788562), (20, 4394281), (31, 2835020), (62, 1417510), (124, 708755), (155, 567004), (229, 383780), (310, 283502), (458, 191890), (619, 141980), (620, 141751), (916, 95945), (1145, 76756), (1238, 70990), (2290, 38378), (2476, 35495), (3095, 28396), (4580, 19189), (6190, 14198), (7099, 12380)]