25273040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 66662400

約数和(自身を除く): 41389360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1279, 1520, 1976, 2470, 2558, 3952, 4940, 5116, 6395, 9880, 10232, 12790, 16627, 19760, 20464, 24301, 25580, 33254, 48602, 51160, 66508, 83135, 97204, 102320, 121505, 133016, 166270, 194408, 243010, 266032, 315913, 332540, 388816, 486020, 631826, 665080, 972040, 1263652, 1330160, 1579565, 1944080, 2527304, 3159130, 5054608, 6318260, 12636520, 25273040]

約数ペア:

[(1, 25273040), (2, 12636520), (4, 6318260), (5, 5054608), (8, 3159130), (10, 2527304), (13, 1944080), (16, 1579565), (19, 1330160), (20, 1263652), (26, 972040), (38, 665080), (40, 631826), (52, 486020), (65, 388816), (76, 332540), (80, 315913), (95, 266032), (104, 243010), (130, 194408), (152, 166270), (190, 133016), (208, 121505), (247, 102320), (260, 97204), (304, 83135), (380, 66508), (494, 51160), (520, 48602), (760, 33254), (988, 25580), (1040, 24301), (1235, 20464), (1279, 19760), (1520, 16627), (1976, 12790), (2470, 10232), (2558, 9880), (3952, 6395), (4940, 5116)]