54205420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 116661888

約数和(自身を除く): 62456468

約数列:

[1, 2, 4, 5, 10, 20, 73, 137, 146, 271, 274, 292, 365, 542, 548, 685, 730, 1084, 1355, 1370, 1460, 2710, 2740, 5420, 10001, 19783, 20002, 37127, 39566, 40004, 50005, 74254, 79132, 98915, 100010, 148508, 185635, 197830, 200020, 371270, 395660, 742540, 2710271, 5420542, 10841084, 13551355, 27102710, 54205420]

約数ペア:

[(1, 54205420), (2, 27102710), (4, 13551355), (5, 10841084), (10, 5420542), (20, 2710271), (73, 742540), (137, 395660), (146, 371270), (271, 200020), (274, 197830), (292, 185635), (365, 148508), (542, 100010), (548, 98915), (685, 79132), (730, 74254), (1084, 50005), (1355, 40004), (1370, 39566), (1460, 37127), (2710, 20002), (2740, 19783), (5420, 10001)]