51909940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 111541248

約数和(自身を除く): 59631308

約数列:

[1, 2, 4, 5, 10, 20, 103, 113, 206, 223, 226, 412, 446, 452, 515, 565, 892, 1030, 1115, 1130, 2060, 2230, 2260, 4460, 11639, 22969, 23278, 25199, 45938, 46556, 50398, 58195, 91876, 100796, 114845, 116390, 125995, 229690, 232780, 251990, 459380, 503980, 2595497, 5190994, 10381988, 12977485, 25954970, 51909940]

約数ペア:

[(1, 51909940), (2, 25954970), (4, 12977485), (5, 10381988), (10, 5190994), (20, 2595497), (103, 503980), (113, 459380), (206, 251990), (223, 232780), (226, 229690), (412, 125995), (446, 116390), (452, 114845), (515, 100796), (565, 91876), (892, 58195), (1030, 50398), (1115, 46556), (1130, 45938), (2060, 25199), (2230, 23278), (2260, 22969), (4460, 11639)]