100291120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{65981}}^1$

素因数の和:66013

約数の個数: 40

約数和(自身を含む): 245453040

約数和(自身を除く): 145161920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 65981, 131962, 263924, 329905, 527848, 659810, 1055696, 1253639, 1319620, 2507278, 2639240, 5014556, 5278480, 6268195, 10029112, 12536390, 20058224, 25072780, 50145560, 100291120]

約数ペア:

[(1, 100291120), (2, 50145560), (4, 25072780), (5, 20058224), (8, 12536390), (10, 10029112), (16, 6268195), (19, 5278480), (20, 5014556), (38, 2639240), (40, 2507278), (76, 1319620), (80, 1253639), (95, 1055696), (152, 659810), (190, 527848), (304, 329905), (380, 263924), (760, 131962), (1520, 65981)]