39715880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 93275280

約数和(自身を除く): 53559400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 397, 410, 488, 610, 794, 820, 1220, 1588, 1640, 1985, 2440, 2501, 3176, 3970, 5002, 7940, 10004, 12505, 15880, 16277, 20008, 24217, 25010, 32554, 48434, 50020, 65108, 81385, 96868, 100040, 121085, 130216, 162770, 193736, 242170, 325540, 484340, 651080, 968680, 992897, 1985794, 3971588, 4964485, 7943176, 9928970, 19857940, 39715880]

約数ペア:

[(1, 39715880), (2, 19857940), (4, 9928970), (5, 7943176), (8, 4964485), (10, 3971588), (20, 1985794), (40, 992897), (41, 968680), (61, 651080), (82, 484340), (122, 325540), (164, 242170), (205, 193736), (244, 162770), (305, 130216), (328, 121085), (397, 100040), (410, 96868), (488, 81385), (610, 65108), (794, 50020), (820, 48434), (1220, 32554), (1588, 25010), (1640, 24217), (1985, 20008), (2440, 16277), (2501, 15880), (3176, 12505), (3970, 10004), (5002, 7940)]