81772509220

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{2053}}^1\times {\mathrm{2617}}^1$

素因数の和:5440

約数の個数: 48

約数和(自身を含む): 172097413488

約数和(自身を除く): 90324904268

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 2053, 2617, 3044, 3805, 4106, 5234, 7610, 8212, 10265, 10468, 13085, 15220, 20530, 26170, 41060, 52340, 1562333, 1991537, 3124666, 3983074, 5372701, 6249332, 7811665, 7966148, 9957685, 10745402, 15623330, 19915370, 21490804, 26863505, 31246660, 39830740, 53727010, 107454020, 4088625461, 8177250922, 16354501844, 20443127305, 40886254610, 81772509220]

約数ペア:

[(1, 81772509220), (2, 40886254610), (4, 20443127305), (5, 16354501844), (10, 8177250922), (20, 4088625461), (761, 107454020), (1522, 53727010), (2053, 39830740), (2617, 31246660), (3044, 26863505), (3805, 21490804), (4106, 19915370), (5234, 15623330), (7610, 10745402), (8212, 9957685), (10265, 7966148), (10468, 7811665), (13085, 6249332), (15220, 5372701), (20530, 3983074), (26170, 3124666), (41060, 1991537), (52340, 1562333)]