40613900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 91869120

約数和(自身を除く): 51255220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 79, 97, 100, 106, 158, 194, 212, 265, 316, 388, 395, 485, 530, 790, 970, 1060, 1325, 1580, 1940, 1975, 2425, 2650, 3950, 4187, 4850, 5141, 5300, 7663, 7900, 8374, 9700, 10282, 15326, 16748, 20564, 20935, 25705, 30652, 38315, 41870, 51410, 76630, 83740, 102820, 104675, 128525, 153260, 191575, 209350, 257050, 383150, 406139, 418700, 514100, 766300, 812278, 1624556, 2030695, 4061390, 8122780, 10153475, 20306950, 40613900]

約数ペア:

[(1, 40613900), (2, 20306950), (4, 10153475), (5, 8122780), (10, 4061390), (20, 2030695), (25, 1624556), (50, 812278), (53, 766300), (79, 514100), (97, 418700), (100, 406139), (106, 383150), (158, 257050), (194, 209350), (212, 191575), (265, 153260), (316, 128525), (388, 104675), (395, 102820), (485, 83740), (530, 76630), (790, 51410), (970, 41870), (1060, 38315), (1325, 30652), (1580, 25705), (1940, 20935), (1975, 20564), (2425, 16748), (2650, 15326), (3950, 10282), (4187, 9700), (4850, 8374), (5141, 7900), (5300, 7663)]