38645620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7823}}^1$

素因数の和:7864

約数の個数: 48

約数和(自身を含む): 92010240

約数和(自身を除く): 53364620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 7823, 15646, 31292, 39115, 78230, 101699, 148637, 156460, 203398, 297274, 406796, 508495, 594548, 743185, 1016990, 1486370, 1932281, 2033980, 2972740, 3864562, 7729124, 9661405, 19322810, 38645620]

約数ペア:

[(1, 38645620), (2, 19322810), (4, 9661405), (5, 7729124), (10, 3864562), (13, 2972740), (19, 2033980), (20, 1932281), (26, 1486370), (38, 1016990), (52, 743185), (65, 594548), (76, 508495), (95, 406796), (130, 297274), (190, 203398), (247, 156460), (260, 148637), (380, 101699), (494, 78230), (988, 39115), (1235, 31292), (2470, 15646), (4940, 7823)]