64496120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4056

約数の個数: 64

約数和(自身を含む): 161360640

約数和(自身を除く): 96864520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4001, 4030, 8002, 8060, 16004, 16120, 20005, 32008, 40010, 52013, 80020, 104026, 124031, 160040, 208052, 248062, 260065, 416104, 496124, 520130, 620155, 992248, 1040260, 1240310, 1612403, 2080520, 2480620, 3224806, 4961240, 6449612, 8062015, 12899224, 16124030, 32248060, 64496120]

約数ペア:

[(1, 64496120), (2, 32248060), (4, 16124030), (5, 12899224), (8, 8062015), (10, 6449612), (13, 4961240), (20, 3224806), (26, 2480620), (31, 2080520), (40, 1612403), (52, 1240310), (62, 1040260), (65, 992248), (104, 620155), (124, 520130), (130, 496124), (155, 416104), (248, 260065), (260, 248062), (310, 208052), (403, 160040), (520, 124031), (620, 104026), (806, 80020), (1240, 52013), (1612, 40010), (2015, 32008), (3224, 20005), (4001, 16120), (4030, 16004), (8002, 8060)]