89408960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9013}}^1$

素因数の和:9061

約数の個数: 56

約数和(自身を含む): 219797376

約数和(自身を除く): 130388416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9013, 9920, 18026, 36052, 45065, 72104, 90130, 144208, 180260, 279403, 288416, 360520, 558806, 576832, 721040, 1117612, 1397015, 1442080, 2235224, 2794030, 2884160, 4470448, 5588060, 8940896, 11176120, 17881792, 22352240, 44704480, 89408960]

約数ペア:

[(1, 89408960), (2, 44704480), (4, 22352240), (5, 17881792), (8, 11176120), (10, 8940896), (16, 5588060), (20, 4470448), (31, 2884160), (32, 2794030), (40, 2235224), (62, 1442080), (64, 1397015), (80, 1117612), (124, 721040), (155, 576832), (160, 558806), (248, 360520), (310, 288416), (320, 279403), (496, 180260), (620, 144208), (992, 90130), (1240, 72104), (1984, 45065), (2480, 36052), (4960, 18026), (9013, 9920)]