23320180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 53096400

約数和(自身を除く): 29776220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 349, 514, 698, 1028, 1285, 1396, 1745, 2570, 3341, 3490, 4537, 5140, 6682, 6980, 9074, 13364, 16705, 18148, 22685, 33410, 45370, 66820, 89693, 90740, 179386, 358772, 448465, 896930, 1166009, 1793860, 2332018, 4664036, 5830045, 11660090, 23320180]

約数ペア:

[(1, 23320180), (2, 11660090), (4, 5830045), (5, 4664036), (10, 2332018), (13, 1793860), (20, 1166009), (26, 896930), (52, 448465), (65, 358772), (130, 179386), (257, 90740), (260, 89693), (349, 66820), (514, 45370), (698, 33410), (1028, 22685), (1285, 18148), (1396, 16705), (1745, 13364), (2570, 9074), (3341, 6980), (3490, 6682), (4537, 5140)]