54920440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 72813320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 131, 188, 223, 235, 262, 376, 446, 470, 524, 655, 892, 940, 1048, 1115, 1310, 1784, 1880, 2230, 2620, 4460, 5240, 6157, 8920, 10481, 12314, 20962, 24628, 29213, 30785, 41924, 49256, 52405, 58426, 61570, 83848, 104810, 116852, 123140, 146065, 209620, 233704, 246280, 292130, 419240, 584260, 1168520, 1373011, 2746022, 5492044, 6865055, 10984088, 13730110, 27460220, 54920440]

約数ペア:

[(1, 54920440), (2, 27460220), (4, 13730110), (5, 10984088), (8, 6865055), (10, 5492044), (20, 2746022), (40, 1373011), (47, 1168520), (94, 584260), (131, 419240), (188, 292130), (223, 246280), (235, 233704), (262, 209620), (376, 146065), (446, 123140), (470, 116852), (524, 104810), (655, 83848), (892, 61570), (940, 58426), (1048, 52405), (1115, 49256), (1310, 41924), (1784, 30785), (1880, 29213), (2230, 24628), (2620, 20962), (4460, 12314), (5240, 10481), (6157, 8920)]