40627720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3539}}^1$

素因数の和:3598

約数の個数: 64

約数和(自身を含む): 107049600

約数和(自身を除く): 66421880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 3539, 5740, 7078, 11480, 14156, 17695, 24773, 28312, 35390, 49546, 70780, 99092, 123865, 141560, 145099, 198184, 247730, 290198, 495460, 580396, 725495, 990920, 1015693, 1160792, 1450990, 2031386, 2901980, 4062772, 5078465, 5803960, 8125544, 10156930, 20313860, 40627720]

約数ペア:

[(1, 40627720), (2, 20313860), (4, 10156930), (5, 8125544), (7, 5803960), (8, 5078465), (10, 4062772), (14, 2901980), (20, 2031386), (28, 1450990), (35, 1160792), (40, 1015693), (41, 990920), (56, 725495), (70, 580396), (82, 495460), (140, 290198), (164, 247730), (205, 198184), (280, 145099), (287, 141560), (328, 123865), (410, 99092), (574, 70780), (820, 49546), (1148, 35390), (1435, 28312), (1640, 24773), (2296, 17695), (2870, 14156), (3539, 11480), (5740, 7078)]