40472360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 95109120

約数和(自身を除く): 54636760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 257, 310, 508, 514, 620, 635, 1016, 1028, 1240, 1270, 1285, 2056, 2540, 2570, 3937, 5080, 5140, 7874, 7967, 10280, 15748, 15934, 19685, 31496, 31868, 32639, 39370, 39835, 63736, 65278, 78740, 79670, 130556, 157480, 159340, 163195, 261112, 318680, 326390, 652780, 1011809, 1305560, 2023618, 4047236, 5059045, 8094472, 10118090, 20236180, 40472360]

約数ペア:

[(1, 40472360), (2, 20236180), (4, 10118090), (5, 8094472), (8, 5059045), (10, 4047236), (20, 2023618), (31, 1305560), (40, 1011809), (62, 652780), (124, 326390), (127, 318680), (155, 261112), (248, 163195), (254, 159340), (257, 157480), (310, 130556), (508, 79670), (514, 78740), (620, 65278), (635, 63736), (1016, 39835), (1028, 39370), (1240, 32639), (1270, 31868), (1285, 31496), (2056, 19685), (2540, 15934), (2570, 15748), (3937, 10280), (5080, 7967), (5140, 7874)]