31488340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 71745408

約数和(自身を除く): 40257068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 743, 815, 1486, 1630, 2119, 2972, 3260, 3715, 4238, 7430, 8476, 9659, 10595, 14860, 19318, 21190, 38636, 42380, 48295, 96590, 121109, 193180, 242218, 484436, 605545, 1211090, 1574417, 2422180, 3148834, 6297668, 7872085, 15744170, 31488340]

約数ペア:

[(1, 31488340), (2, 15744170), (4, 7872085), (5, 6297668), (10, 3148834), (13, 2422180), (20, 1574417), (26, 1211090), (52, 605545), (65, 484436), (130, 242218), (163, 193180), (260, 121109), (326, 96590), (652, 48295), (743, 42380), (815, 38636), (1486, 21190), (1630, 19318), (2119, 14860), (2972, 10595), (3260, 9659), (3715, 8476), (4238, 7430)]