38403160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15739}}^1$

素因数の和:15811

約数の個数: 32

約数和(自身を含む): 87829200

約数和(自身を除く): 49426040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 15739, 31478, 62956, 78695, 125912, 157390, 314780, 629560, 960079, 1920158, 3840316, 4800395, 7680632, 9600790, 19201580, 38403160]

約数ペア:

[(1, 38403160), (2, 19201580), (4, 9600790), (5, 7680632), (8, 4800395), (10, 3840316), (20, 1920158), (40, 960079), (61, 629560), (122, 314780), (244, 157390), (305, 125912), (488, 78695), (610, 62956), (1220, 31478), (2440, 15739)]