80564320

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 200037600

約数和(自身を除く): 119473280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 97, 116, 145, 160, 179, 194, 232, 290, 358, 388, 464, 485, 580, 716, 776, 895, 928, 970, 1160, 1432, 1552, 1790, 1940, 2320, 2813, 2864, 3104, 3580, 3880, 4640, 5191, 5626, 5728, 7160, 7760, 10382, 11252, 14065, 14320, 15520, 17363, 20764, 22504, 25955, 28130, 28640, 34726, 41528, 45008, 51910, 56260, 69452, 83056, 86815, 90016, 103820, 112520, 138904, 166112, 173630, 207640, 225040, 277808, 347260, 415280, 450080, 503527, 555616, 694520, 830560, 1007054, 1389040, 2014108, 2517635, 2778080, 4028216, 5035270, 8056432, 10070540, 16112864, 20141080, 40282160, 80564320]

約数ペア:

[(1, 80564320), (2, 40282160), (4, 20141080), (5, 16112864), (8, 10070540), (10, 8056432), (16, 5035270), (20, 4028216), (29, 2778080), (32, 2517635), (40, 2014108), (58, 1389040), (80, 1007054), (97, 830560), (116, 694520), (145, 555616), (160, 503527), (179, 450080), (194, 415280), (232, 347260), (290, 277808), (358, 225040), (388, 207640), (464, 173630), (485, 166112), (580, 138904), (716, 112520), (776, 103820), (895, 90016), (928, 86815), (970, 83056), (1160, 69452), (1432, 56260), (1552, 51910), (1790, 45008), (1940, 41528), (2320, 34726), (2813, 28640), (2864, 28130), (3104, 25955), (3580, 22504), (3880, 20764), (4640, 17363), (5191, 15520), (5626, 14320), (5728, 14065), (7160, 11252), (7760, 10382)]