39271420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 86139648

約数和(自身を除く): 46868228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 653, 970, 1306, 1940, 2612, 3007, 3265, 6014, 6530, 12028, 13060, 15035, 20243, 30070, 40486, 60140, 63341, 80972, 101215, 126682, 202430, 253364, 316705, 404860, 633410, 1266820, 1963571, 3927142, 7854284, 9817855, 19635710, 39271420]

約数ペア:

[(1, 39271420), (2, 19635710), (4, 9817855), (5, 7854284), (10, 3927142), (20, 1963571), (31, 1266820), (62, 633410), (97, 404860), (124, 316705), (155, 253364), (194, 202430), (310, 126682), (388, 101215), (485, 80972), (620, 63341), (653, 60140), (970, 40486), (1306, 30070), (1940, 20243), (2612, 15035), (3007, 13060), (3265, 12028), (6014, 6530)]