39285740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 91309680

約数和(自身を除く): 52023940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 169, 197, 236, 260, 295, 338, 394, 590, 676, 767, 788, 845, 985, 1180, 1534, 1690, 1970, 2561, 3068, 3380, 3835, 3940, 5122, 7670, 9971, 10244, 11623, 12805, 15340, 19942, 23246, 25610, 33293, 39884, 46492, 49855, 51220, 58115, 66586, 99710, 116230, 133172, 151099, 166465, 199420, 232460, 302198, 332930, 604396, 665860, 755495, 1510990, 1964287, 3021980, 3928574, 7857148, 9821435, 19642870, 39285740]

約数ペア:

[(1, 39285740), (2, 19642870), (4, 9821435), (5, 7857148), (10, 3928574), (13, 3021980), (20, 1964287), (26, 1510990), (52, 755495), (59, 665860), (65, 604396), (118, 332930), (130, 302198), (169, 232460), (197, 199420), (236, 166465), (260, 151099), (295, 133172), (338, 116230), (394, 99710), (590, 66586), (676, 58115), (767, 51220), (788, 49855), (845, 46492), (985, 39884), (1180, 33293), (1534, 25610), (1690, 23246), (1970, 19942), (2561, 15340), (3068, 12805), (3380, 11623), (3835, 10244), (3940, 9971), (5122, 7670)]