25574220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20297}}^1$

素因数の和:20319

約数の個数: 72

約数和(自身を含む): 88661664

約数和(自身を除く): 63087444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20297, 40594, 60891, 81188, 101485, 121782, 142079, 182673, 202970, 243564, 284158, 304455, 365346, 405940, 426237, 568316, 608910, 710395, 730692, 852474, 913365, 1217820, 1278711, 1420790, 1704948, 1826730, 2131185, 2557422, 2841580, 3653460, 4262370, 5114844, 6393555, 8524740, 12787110, 25574220]

約数ペア:

[(1, 25574220), (2, 12787110), (3, 8524740), (4, 6393555), (5, 5114844), (6, 4262370), (7, 3653460), (9, 2841580), (10, 2557422), (12, 2131185), (14, 1826730), (15, 1704948), (18, 1420790), (20, 1278711), (21, 1217820), (28, 913365), (30, 852474), (35, 730692), (36, 710395), (42, 608910), (45, 568316), (60, 426237), (63, 405940), (70, 365346), (84, 304455), (90, 284158), (105, 243564), (126, 202970), (140, 182673), (180, 142079), (210, 121782), (252, 101485), (315, 81188), (420, 60891), (630, 40594), (1260, 20297)]