25940180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 66232320

約数和(自身を除く): 40292140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 86, 124, 139, 140, 155, 172, 215, 217, 278, 301, 310, 430, 434, 556, 602, 620, 695, 860, 868, 973, 1085, 1204, 1333, 1390, 1505, 1946, 2170, 2666, 2780, 3010, 3892, 4309, 4340, 4865, 5332, 5977, 6020, 6665, 8618, 9331, 9730, 11954, 13330, 17236, 18662, 19460, 21545, 23908, 26660, 29885, 30163, 37324, 41839, 43090, 46655, 59770, 60326, 83678, 86180, 93310, 119540, 120652, 150815, 167356, 185287, 186620, 209195, 301630, 370574, 418390, 603260, 741148, 836780, 926435, 1297009, 1852870, 2594018, 3705740, 5188036, 6485045, 12970090, 25940180]

約数ペア:

[(1, 25940180), (2, 12970090), (4, 6485045), (5, 5188036), (7, 3705740), (10, 2594018), (14, 1852870), (20, 1297009), (28, 926435), (31, 836780), (35, 741148), (43, 603260), (62, 418390), (70, 370574), (86, 301630), (124, 209195), (139, 186620), (140, 185287), (155, 167356), (172, 150815), (215, 120652), (217, 119540), (278, 93310), (301, 86180), (310, 83678), (430, 60326), (434, 59770), (556, 46655), (602, 43090), (620, 41839), (695, 37324), (860, 30163), (868, 29885), (973, 26660), (1085, 23908), (1204, 21545), (1333, 19460), (1390, 18662), (1505, 17236), (1946, 13330), (2170, 11954), (2666, 9730), (2780, 9331), (3010, 8618), (3892, 6665), (4309, 6020), (4340, 5977), (4865, 5332)]