26267980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 30613460

約数列:

[1, 2, 4, 5, 10, 20, 59, 113, 118, 197, 226, 236, 295, 394, 452, 565, 590, 788, 985, 1130, 1180, 1970, 2260, 3940, 6667, 11623, 13334, 22261, 23246, 26668, 33335, 44522, 46492, 58115, 66670, 89044, 111305, 116230, 133340, 222610, 232460, 445220, 1313399, 2626798, 5253596, 6566995, 13133990, 26267980]

約数ペア:

[(1, 26267980), (2, 13133990), (4, 6566995), (5, 5253596), (10, 2626798), (20, 1313399), (59, 445220), (113, 232460), (118, 222610), (197, 133340), (226, 116230), (236, 111305), (295, 89044), (394, 66670), (452, 58115), (565, 46492), (590, 44522), (788, 33335), (985, 26668), (1130, 23246), (1180, 22261), (1970, 13334), (2260, 11623), (3940, 6667)]