40139120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 107463360

約数和(自身を除く): 67324240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 313, 458, 560, 626, 916, 1145, 1252, 1565, 1603, 1832, 2191, 2290, 2504, 3130, 3206, 3664, 4382, 4580, 5008, 6260, 6412, 8015, 8764, 9160, 10955, 12520, 12824, 16030, 17528, 18320, 21910, 25040, 25648, 32060, 35056, 43820, 64120, 71677, 87640, 128240, 143354, 175280, 286708, 358385, 501739, 573416, 716770, 1003478, 1146832, 1433540, 2006956, 2508695, 2867080, 4013912, 5017390, 5734160, 8027824, 10034780, 20069560, 40139120]

約数ペア:

[(1, 40139120), (2, 20069560), (4, 10034780), (5, 8027824), (7, 5734160), (8, 5017390), (10, 4013912), (14, 2867080), (16, 2508695), (20, 2006956), (28, 1433540), (35, 1146832), (40, 1003478), (56, 716770), (70, 573416), (80, 501739), (112, 358385), (140, 286708), (229, 175280), (280, 143354), (313, 128240), (458, 87640), (560, 71677), (626, 64120), (916, 43820), (1145, 35056), (1252, 32060), (1565, 25648), (1603, 25040), (1832, 21910), (2191, 18320), (2290, 17528), (2504, 16030), (3130, 12824), (3206, 12520), (3664, 10955), (4382, 9160), (4580, 8764), (5008, 8015), (6260, 6412)]