25706380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1583

約数の個数: 72

約数和(自身を含む): 66534048

約数和(自身を除く): 40827668

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1543, 1666, 2380, 3086, 3332, 4165, 6172, 7715, 8330, 10801, 15430, 16660, 21602, 26231, 30860, 43204, 52462, 54005, 75607, 104924, 108010, 131155, 151214, 183617, 216020, 262310, 302428, 367234, 378035, 524620, 734468, 756070, 918085, 1285319, 1512140, 1836170, 2570638, 3672340, 5141276, 6426595, 12853190, 25706380]

約数ペア:

[(1, 25706380), (2, 12853190), (4, 6426595), (5, 5141276), (7, 3672340), (10, 2570638), (14, 1836170), (17, 1512140), (20, 1285319), (28, 918085), (34, 756070), (35, 734468), (49, 524620), (68, 378035), (70, 367234), (85, 302428), (98, 262310), (119, 216020), (140, 183617), (170, 151214), (196, 131155), (238, 108010), (245, 104924), (340, 75607), (476, 54005), (490, 52462), (595, 43204), (833, 30860), (980, 26231), (1190, 21602), (1543, 16660), (1666, 15430), (2380, 10801), (3086, 8330), (3332, 7715), (4165, 6172)]