71031680

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2767

約数の個数: 64

約数和(自身を含む): 174016080

約数和(自身を除く): 102984400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 2707, 3280, 5248, 5414, 6560, 10828, 13120, 13535, 21656, 26240, 27070, 43312, 54140, 86624, 108280, 110987, 173248, 216560, 221974, 346496, 433120, 443948, 554935, 866240, 887896, 1109870, 1732480, 1775792, 2219740, 3551584, 4439480, 7103168, 8878960, 14206336, 17757920, 35515840, 71031680]

約数ペア:

[(1, 71031680), (2, 35515840), (4, 17757920), (5, 14206336), (8, 8878960), (10, 7103168), (16, 4439480), (20, 3551584), (32, 2219740), (40, 1775792), (41, 1732480), (64, 1109870), (80, 887896), (82, 866240), (128, 554935), (160, 443948), (164, 433120), (205, 346496), (320, 221974), (328, 216560), (410, 173248), (640, 110987), (656, 108280), (820, 86624), (1312, 54140), (1640, 43312), (2624, 27070), (2707, 26240), (3280, 21656), (5248, 13535), (5414, 13120), (6560, 10828)]