16696940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 21405460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 431, 596, 745, 862, 1490, 1724, 1937, 2155, 2980, 3874, 4310, 5603, 7748, 8620, 9685, 11206, 19370, 22412, 28015, 38740, 56030, 64219, 112060, 128438, 256876, 321095, 642190, 834847, 1284380, 1669694, 3339388, 4174235, 8348470, 16696940]

約数ペア:

[(1, 16696940), (2, 8348470), (4, 4174235), (5, 3339388), (10, 1669694), (13, 1284380), (20, 834847), (26, 642190), (52, 321095), (65, 256876), (130, 128438), (149, 112060), (260, 64219), (298, 56030), (431, 38740), (596, 28015), (745, 22412), (862, 19370), (1490, 11206), (1724, 9685), (1937, 8620), (2155, 7748), (2980, 5603), (3874, 4310)]