68118440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 166818960

約数和(自身を除く): 98700520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1297, 1313, 2020, 2594, 2626, 4040, 5188, 5252, 6485, 6565, 10376, 10504, 12970, 13130, 16861, 25940, 26260, 33722, 51880, 52520, 67444, 84305, 130997, 134888, 168610, 261994, 337220, 523988, 654985, 674440, 1047976, 1309970, 1702961, 2619940, 3405922, 5239880, 6811844, 8514805, 13623688, 17029610, 34059220, 68118440]

約数ペア:

[(1, 68118440), (2, 34059220), (4, 17029610), (5, 13623688), (8, 8514805), (10, 6811844), (13, 5239880), (20, 3405922), (26, 2619940), (40, 1702961), (52, 1309970), (65, 1047976), (101, 674440), (104, 654985), (130, 523988), (202, 337220), (260, 261994), (404, 168610), (505, 134888), (520, 130997), (808, 84305), (1010, 67444), (1297, 52520), (1313, 51880), (2020, 33722), (2594, 26260), (2626, 25940), (4040, 16861), (5188, 13130), (5252, 12970), (6485, 10504), (6565, 10376)]