38408120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 92080800

約数和(自身を除く): 53672680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 521, 760, 776, 970, 1042, 1843, 1940, 2084, 2605, 3686, 3880, 4168, 5210, 7372, 9215, 9899, 10420, 14744, 18430, 19798, 20840, 36860, 39596, 49495, 50537, 73720, 79192, 98990, 101074, 197980, 202148, 252685, 395960, 404296, 505370, 960203, 1010740, 1920406, 2021480, 3840812, 4801015, 7681624, 9602030, 19204060, 38408120]

約数ペア:

[(1, 38408120), (2, 19204060), (4, 9602030), (5, 7681624), (8, 4801015), (10, 3840812), (19, 2021480), (20, 1920406), (38, 1010740), (40, 960203), (76, 505370), (95, 404296), (97, 395960), (152, 252685), (190, 202148), (194, 197980), (380, 101074), (388, 98990), (485, 79192), (521, 73720), (760, 50537), (776, 49495), (970, 39596), (1042, 36860), (1843, 20840), (1940, 19798), (2084, 18430), (2605, 14744), (3686, 10420), (3880, 9899), (4168, 9215), (5210, 7372)]