82943200

素因数分解:

$2^5\times 5^2\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:740

約数の個数: 72

約数和(自身を含む): 203893200

約数和(自身を除く): 120950000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 199, 200, 398, 400, 521, 796, 800, 995, 1042, 1592, 1990, 2084, 2605, 3184, 3980, 4168, 4975, 5210, 6368, 7960, 8336, 9950, 10420, 13025, 15920, 16672, 19900, 20840, 26050, 31840, 39800, 41680, 52100, 79600, 83360, 103679, 104200, 159200, 207358, 208400, 414716, 416800, 518395, 829432, 1036790, 1658864, 2073580, 2591975, 3317728, 4147160, 5183950, 8294320, 10367900, 16588640, 20735800, 41471600, 82943200]

約数ペア:

[(1, 82943200), (2, 41471600), (4, 20735800), (5, 16588640), (8, 10367900), (10, 8294320), (16, 5183950), (20, 4147160), (25, 3317728), (32, 2591975), (40, 2073580), (50, 1658864), (80, 1036790), (100, 829432), (160, 518395), (199, 416800), (200, 414716), (398, 208400), (400, 207358), (521, 159200), (796, 104200), (800, 103679), (995, 83360), (1042, 79600), (1592, 52100), (1990, 41680), (2084, 39800), (2605, 31840), (3184, 26050), (3980, 20840), (4168, 19900), (4975, 16672), (5210, 15920), (6368, 13025), (7960, 10420), (8336, 9950)]