40146520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 97938720

約数和(自身を除く): 57792200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1373, 1462, 1720, 2746, 2924, 3655, 5492, 5848, 6865, 7310, 10984, 13730, 14620, 23341, 27460, 29240, 46682, 54920, 59039, 93364, 116705, 118078, 186728, 233410, 236156, 295195, 466820, 472312, 590390, 933640, 1003663, 1180780, 2007326, 2361560, 4014652, 5018315, 8029304, 10036630, 20073260, 40146520]

約数ペア:

[(1, 40146520), (2, 20073260), (4, 10036630), (5, 8029304), (8, 5018315), (10, 4014652), (17, 2361560), (20, 2007326), (34, 1180780), (40, 1003663), (43, 933640), (68, 590390), (85, 472312), (86, 466820), (136, 295195), (170, 236156), (172, 233410), (215, 186728), (340, 118078), (344, 116705), (430, 93364), (680, 59039), (731, 54920), (860, 46682), (1373, 29240), (1462, 27460), (1720, 23341), (2746, 14620), (2924, 13730), (3655, 10984), (5492, 7310), (5848, 6865)]