4046380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 9313920

約数和(自身を除く): 5267540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 197, 260, 316, 394, 395, 788, 790, 985, 1027, 1580, 1970, 2054, 2561, 3940, 4108, 5122, 5135, 10244, 10270, 12805, 15563, 20540, 25610, 31126, 51220, 62252, 77815, 155630, 202319, 311260, 404638, 809276, 1011595, 2023190, 4046380]

約数ペア:

[(1, 4046380), (2, 2023190), (4, 1011595), (5, 809276), (10, 404638), (13, 311260), (20, 202319), (26, 155630), (52, 77815), (65, 62252), (79, 51220), (130, 31126), (158, 25610), (197, 20540), (260, 15563), (316, 12805), (394, 10270), (395, 10244), (788, 5135), (790, 5122), (985, 4108), (1027, 3940), (1580, 2561), (1970, 2054)]