102199880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 238276080

約数和(自身を除く): 136076200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 410, 505, 617, 808, 820, 1010, 1234, 1640, 2020, 2468, 3085, 4040, 4141, 4936, 6170, 8282, 12340, 16564, 20705, 24680, 25297, 33128, 41410, 50594, 62317, 82820, 101188, 124634, 126485, 165640, 202376, 249268, 252970, 311585, 498536, 505940, 623170, 1011880, 1246340, 2492680, 2554997, 5109994, 10219988, 12774985, 20439976, 25549970, 51099940, 102199880]

約数ペア:

[(1, 102199880), (2, 51099940), (4, 25549970), (5, 20439976), (8, 12774985), (10, 10219988), (20, 5109994), (40, 2554997), (41, 2492680), (82, 1246340), (101, 1011880), (164, 623170), (202, 505940), (205, 498536), (328, 311585), (404, 252970), (410, 249268), (505, 202376), (617, 165640), (808, 126485), (820, 124634), (1010, 101188), (1234, 82820), (1640, 62317), (2020, 50594), (2468, 41410), (3085, 33128), (4040, 25297), (4141, 24680), (4936, 20705), (6170, 16564), (8282, 12340)]