39370360

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 91375200

約数和(自身を除く): 52004840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 97, 139, 146, 194, 278, 292, 365, 388, 485, 556, 584, 695, 730, 776, 970, 1112, 1390, 1460, 1940, 2780, 2920, 3880, 5560, 7081, 10147, 13483, 14162, 20294, 26966, 28324, 35405, 40588, 50735, 53932, 56648, 67415, 70810, 81176, 101470, 107864, 134830, 141620, 202940, 269660, 283240, 405880, 539320, 984259, 1968518, 3937036, 4921295, 7874072, 9842590, 19685180, 39370360]

約数ペア:

[(1, 39370360), (2, 19685180), (4, 9842590), (5, 7874072), (8, 4921295), (10, 3937036), (20, 1968518), (40, 984259), (73, 539320), (97, 405880), (139, 283240), (146, 269660), (194, 202940), (278, 141620), (292, 134830), (365, 107864), (388, 101470), (485, 81176), (556, 70810), (584, 67415), (695, 56648), (730, 53932), (776, 50735), (970, 40588), (1112, 35405), (1390, 28324), (1460, 26966), (1940, 20294), (2780, 14162), (2920, 13483), (3880, 10147), (5560, 7081)]