25338340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 55368432

約数和(自身を除く): 30030092

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 353, 370, 388, 485, 706, 740, 970, 1412, 1765, 1940, 3530, 3589, 7060, 7178, 13061, 14356, 17945, 26122, 34241, 35890, 52244, 65305, 68482, 71780, 130610, 136964, 171205, 261220, 342410, 684820, 1266917, 2533834, 5067668, 6334585, 12669170, 25338340]

約数ペア:

[(1, 25338340), (2, 12669170), (4, 6334585), (5, 5067668), (10, 2533834), (20, 1266917), (37, 684820), (74, 342410), (97, 261220), (148, 171205), (185, 136964), (194, 130610), (353, 71780), (370, 68482), (388, 65305), (485, 52244), (706, 35890), (740, 34241), (970, 26122), (1412, 17945), (1765, 14356), (1940, 13061), (3530, 7178), (3589, 7060)]