79825880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 192456000

約数和(自身を除く): 112630120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1319, 1513, 1780, 2638, 3026, 3560, 5276, 6052, 6595, 7565, 10552, 12104, 13190, 15130, 22423, 26380, 30260, 44846, 52760, 60520, 89692, 112115, 117391, 179384, 224230, 234782, 448460, 469564, 586955, 896920, 939128, 1173910, 1995647, 2347820, 3991294, 4695640, 7982588, 9978235, 15965176, 19956470, 39912940, 79825880]

約数ペア:

[(1, 79825880), (2, 39912940), (4, 19956470), (5, 15965176), (8, 9978235), (10, 7982588), (17, 4695640), (20, 3991294), (34, 2347820), (40, 1995647), (68, 1173910), (85, 939128), (89, 896920), (136, 586955), (170, 469564), (178, 448460), (340, 234782), (356, 224230), (445, 179384), (680, 117391), (712, 112115), (890, 89692), (1319, 60520), (1513, 52760), (1780, 44846), (2638, 30260), (3026, 26380), (3560, 22423), (5276, 15130), (6052, 13190), (6595, 12104), (7565, 10552)]