80317702760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48974209}}^1$

素因数の和:48974261

約数の個数: 32

約数和(自身を含む): 185122513800

約数和(自身を除く): 104804811040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48974209, 97948418, 195896836, 244871045, 391793672, 489742090, 979484180, 1958968360, 2007942569, 4015885138, 8031770276, 10039712845, 16063540552, 20079425690, 40158851380, 80317702760]

約数ペア:

[(1, 80317702760), (2, 40158851380), (4, 20079425690), (5, 16063540552), (8, 10039712845), (10, 8031770276), (20, 4015885138), (40, 2007942569), (41, 1958968360), (82, 979484180), (164, 489742090), (205, 391793672), (328, 244871045), (410, 195896836), (820, 97948418), (1640, 48974209)]