50687480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 120718080

約数和(自身を除く): 70030600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 997, 1240, 1271, 1640, 1994, 2542, 3988, 4985, 5084, 6355, 7976, 9970, 10168, 12710, 19940, 25420, 30907, 39880, 40877, 50840, 61814, 81754, 123628, 154535, 163508, 204385, 247256, 309070, 327016, 408770, 618140, 817540, 1236280, 1267187, 1635080, 2534374, 5068748, 6335935, 10137496, 12671870, 25343740, 50687480]

約数ペア:

[(1, 50687480), (2, 25343740), (4, 12671870), (5, 10137496), (8, 6335935), (10, 5068748), (20, 2534374), (31, 1635080), (40, 1267187), (41, 1236280), (62, 817540), (82, 618140), (124, 408770), (155, 327016), (164, 309070), (205, 247256), (248, 204385), (310, 163508), (328, 154535), (410, 123628), (620, 81754), (820, 61814), (997, 50840), (1240, 40877), (1271, 39880), (1640, 30907), (1994, 25420), (2542, 19940), (3988, 12710), (4985, 10168), (5084, 9970), (6355, 7976)]