25236840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 81648000

約数和(自身を除く): 56411160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 89, 102, 120, 136, 139, 170, 178, 204, 255, 267, 278, 340, 356, 408, 417, 445, 510, 534, 556, 680, 695, 712, 834, 890, 1020, 1068, 1112, 1335, 1390, 1513, 1668, 1780, 2040, 2085, 2136, 2363, 2670, 2780, 3026, 3336, 3560, 4170, 4539, 4726, 5340, 5560, 6052, 7089, 7565, 8340, 9078, 9452, 10680, 11815, 12104, 12371, 14178, 15130, 16680, 18156, 18904, 22695, 23630, 24742, 28356, 30260, 35445, 36312, 37113, 45390, 47260, 49484, 56712, 60520, 61855, 70890, 74226, 90780, 94520, 98968, 123710, 141780, 148452, 181560, 185565, 210307, 247420, 283560, 296904, 371130, 420614, 494840, 630921, 742260, 841228, 1051535, 1261842, 1484520, 1682456, 2103070, 2523684, 3154605, 4206140, 5047368, 6309210, 8412280, 12618420, 25236840]

約数ペア:

[(1, 25236840), (2, 12618420), (3, 8412280), (4, 6309210), (5, 5047368), (6, 4206140), (8, 3154605), (10, 2523684), (12, 2103070), (15, 1682456), (17, 1484520), (20, 1261842), (24, 1051535), (30, 841228), (34, 742260), (40, 630921), (51, 494840), (60, 420614), (68, 371130), (85, 296904), (89, 283560), (102, 247420), (120, 210307), (136, 185565), (139, 181560), (170, 148452), (178, 141780), (204, 123710), (255, 98968), (267, 94520), (278, 90780), (340, 74226), (356, 70890), (408, 61855), (417, 60520), (445, 56712), (510, 49484), (534, 47260), (556, 45390), (680, 37113), (695, 36312), (712, 35445), (834, 30260), (890, 28356), (1020, 24742), (1068, 23630), (1112, 22695), (1335, 18904), (1390, 18156), (1513, 16680), (1668, 15130), (1780, 14178), (2040, 12371), (2085, 12104), (2136, 11815), (2363, 10680), (2670, 9452), (2780, 9078), (3026, 8340), (3336, 7565), (3560, 7089), (4170, 6052), (4539, 5560), (4726, 5340)]