9721790440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5927921}}^1$

素因数の和:5927973

約数の個数: 32

約数和(自身を含む): 22407545160

約数和(自身を除く): 12685754720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5927921, 11855842, 23711684, 29639605, 47423368, 59279210, 118558420, 237116840, 243044761, 486089522, 972179044, 1215223805, 1944358088, 2430447610, 4860895220, 9721790440]

約数ペア:

[(1, 9721790440), (2, 4860895220), (4, 2430447610), (5, 1944358088), (8, 1215223805), (10, 972179044), (20, 486089522), (40, 243044761), (41, 237116840), (82, 118558420), (164, 59279210), (205, 47423368), (328, 29639605), (410, 23711684), (820, 11855842), (1640, 5927921)]