31982031020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{531793}}^1$

素因数の和:531930

約数の個数: 48

約数和(自身を含む): 70043651328

約数和(自身を除く): 38061620308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 3007, 6014, 12028, 15035, 30070, 60140, 531793, 1063586, 2127172, 2658965, 5317930, 10635860, 16485583, 32971166, 51583921, 65942332, 82427915, 103167842, 164855830, 206335684, 257919605, 329711660, 515839210, 1031678420, 1599101551, 3198203102, 6396406204, 7995507755, 15991015510, 31982031020]

約数ペア:

[(1, 31982031020), (2, 15991015510), (4, 7995507755), (5, 6396406204), (10, 3198203102), (20, 1599101551), (31, 1031678420), (62, 515839210), (97, 329711660), (124, 257919605), (155, 206335684), (194, 164855830), (310, 103167842), (388, 82427915), (485, 65942332), (620, 51583921), (970, 32971166), (1940, 16485583), (3007, 10635860), (6014, 5317930), (12028, 2658965), (15035, 2127172), (30070, 1063586), (60140, 531793)]