39529880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4044

約数の個数: 64

約数和(自身を含む): 100850400

約数和(自身を除く): 61320520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4001, 4940, 8002, 9880, 16004, 20005, 32008, 40010, 52013, 76019, 80020, 104026, 152038, 160040, 208052, 260065, 304076, 380095, 416104, 520130, 608152, 760190, 988247, 1040260, 1520380, 1976494, 2080520, 3040760, 3952988, 4941235, 7905976, 9882470, 19764940, 39529880]

約数ペア:

[(1, 39529880), (2, 19764940), (4, 9882470), (5, 7905976), (8, 4941235), (10, 3952988), (13, 3040760), (19, 2080520), (20, 1976494), (26, 1520380), (38, 1040260), (40, 988247), (52, 760190), (65, 608152), (76, 520130), (95, 416104), (104, 380095), (130, 304076), (152, 260065), (190, 208052), (247, 160040), (260, 152038), (380, 104026), (494, 80020), (520, 76019), (760, 52013), (988, 40010), (1235, 32008), (1976, 20005), (2470, 16004), (4001, 9880), (4940, 8002)]