40720030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5309}}^1$

素因数の和:5388

約数の個数: 32

約数和(自身を含む): 80287200

約数和(自身を除く): 39567170

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 3835, 5309, 7670, 10618, 26545, 53090, 69017, 138034, 313231, 345085, 626462, 690170, 1566155, 3132310, 4072003, 8144006, 20360015, 40720030]

約数ペア:

[(1, 40720030), (2, 20360015), (5, 8144006), (10, 4072003), (13, 3132310), (26, 1566155), (59, 690170), (65, 626462), (118, 345085), (130, 313231), (295, 138034), (590, 69017), (767, 53090), (1534, 26545), (3835, 10618), (5309, 7670)]