80561390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12647}}^1$

素因数の和:12681

約数の個数: 48

約数和(自身を含む): 181675872

約数和(自身を除く): 101114482

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 12647, 25294, 63235, 88529, 126470, 164411, 177058, 328822, 442645, 619703, 822055, 885290, 1150877, 1239406, 1644110, 2301754, 3098515, 5754385, 6197030, 8056139, 11508770, 16112278, 40280695, 80561390]

約数ペア:

[(1, 80561390), (2, 40280695), (5, 16112278), (7, 11508770), (10, 8056139), (13, 6197030), (14, 5754385), (26, 3098515), (35, 2301754), (49, 1644110), (65, 1239406), (70, 1150877), (91, 885290), (98, 822055), (130, 619703), (182, 442645), (245, 328822), (455, 177058), (490, 164411), (637, 126470), (910, 88529), (1274, 63235), (3185, 25294), (6370, 12647)]