40009220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 88639488

約数和(自身を除く): 48630268

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1373, 1457, 2746, 2914, 5492, 5828, 6865, 7285, 13730, 14570, 27460, 29140, 42563, 64531, 85126, 129062, 170252, 212815, 258124, 322655, 425630, 645310, 851260, 1290620, 2000461, 4000922, 8001844, 10002305, 20004610, 40009220]

約数ペア:

[(1, 40009220), (2, 20004610), (4, 10002305), (5, 8001844), (10, 4000922), (20, 2000461), (31, 1290620), (47, 851260), (62, 645310), (94, 425630), (124, 322655), (155, 258124), (188, 212815), (235, 170252), (310, 129062), (470, 85126), (620, 64531), (940, 42563), (1373, 29140), (1457, 27460), (2746, 14570), (2914, 13730), (5492, 7285), (5828, 6865)]