2547616240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{7019}}^1$

素因数の和:7394

約数の個数: 80

約数和(自身を含む): 6398028000

約数和(自身を除く): 3850411760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 349, 520, 698, 1040, 1396, 1745, 2792, 3490, 4537, 5584, 6980, 7019, 9074, 13960, 14038, 18148, 22685, 27920, 28076, 35095, 36296, 45370, 56152, 70190, 72592, 90740, 91247, 112304, 140380, 181480, 182494, 280760, 362960, 364988, 456235, 561520, 729976, 912470, 1459952, 1824940, 2449631, 3649880, 4899262, 7299760, 9798524, 12248155, 19597048, 24496310, 31845203, 39194096, 48992620, 63690406, 97985240, 127380812, 159226015, 195970480, 254761624, 318452030, 509523248, 636904060, 1273808120, 2547616240]

約数ペア:

[(1, 2547616240), (2, 1273808120), (4, 636904060), (5, 509523248), (8, 318452030), (10, 254761624), (13, 195970480), (16, 159226015), (20, 127380812), (26, 97985240), (40, 63690406), (52, 48992620), (65, 39194096), (80, 31845203), (104, 24496310), (130, 19597048), (208, 12248155), (260, 9798524), (349, 7299760), (520, 4899262), (698, 3649880), (1040, 2449631), (1396, 1824940), (1745, 1459952), (2792, 912470), (3490, 729976), (4537, 561520), (5584, 456235), (6980, 364988), (7019, 362960), (9074, 280760), (13960, 182494), (14038, 181480), (18148, 140380), (22685, 112304), (27920, 91247), (28076, 90740), (35095, 72592), (36296, 70190), (45370, 56152)]