25734940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1027

約数の個数: 96

約数和(自身を含む): 71414784

約数和(自身を除く): 45679844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 983, 1190, 1309, 1540, 1870, 1966, 2380, 2618, 3740, 3932, 4915, 5236, 6545, 6881, 9830, 10813, 13090, 13762, 16711, 19660, 21626, 26180, 27524, 33422, 34405, 43252, 54065, 66844, 68810, 75691, 83555, 108130, 116977, 137620, 151382, 167110, 183821, 216260, 233954, 302764, 334220, 367642, 378455, 467908, 584885, 735284, 756910, 919105, 1169770, 1286747, 1513820, 1838210, 2339540, 2573494, 3676420, 5146988, 6433735, 12867470, 25734940]

約数ペア:

[(1, 25734940), (2, 12867470), (4, 6433735), (5, 5146988), (7, 3676420), (10, 2573494), (11, 2339540), (14, 1838210), (17, 1513820), (20, 1286747), (22, 1169770), (28, 919105), (34, 756910), (35, 735284), (44, 584885), (55, 467908), (68, 378455), (70, 367642), (77, 334220), (85, 302764), (110, 233954), (119, 216260), (140, 183821), (154, 167110), (170, 151382), (187, 137620), (220, 116977), (238, 108130), (308, 83555), (340, 75691), (374, 68810), (385, 66844), (476, 54065), (595, 43252), (748, 34405), (770, 33422), (935, 27524), (983, 26180), (1190, 21626), (1309, 19660), (1540, 16711), (1870, 13762), (1966, 13090), (2380, 10813), (2618, 9830), (3740, 6881), (3932, 6545), (4915, 5236)]