39278240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7919}}^1$

素因数の和:7965

約数の個数: 48

約数和(自身を含む): 95800320

約数和(自身を除く): 56522080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 7919, 15838, 31676, 39595, 63352, 79190, 126704, 158380, 245489, 253408, 316760, 490978, 633520, 981956, 1227445, 1267040, 1963912, 2454890, 3927824, 4909780, 7855648, 9819560, 19639120, 39278240]

約数ペア:

[(1, 39278240), (2, 19639120), (4, 9819560), (5, 7855648), (8, 4909780), (10, 3927824), (16, 2454890), (20, 1963912), (31, 1267040), (32, 1227445), (40, 981956), (62, 633520), (80, 490978), (124, 316760), (155, 253408), (160, 245489), (248, 158380), (310, 126704), (496, 79190), (620, 63352), (992, 39595), (1240, 31676), (2480, 15838), (4960, 7919)]