25393860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2073

約数の個数: 72

約数和(自身を含む): 78152256

約数和(自身を除く): 52758396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1987, 2130, 2556, 3195, 3974, 4260, 5961, 6390, 7948, 9935, 11922, 12780, 17883, 19870, 23844, 29805, 35766, 39740, 59610, 71532, 89415, 119220, 141077, 178830, 282154, 357660, 423231, 564308, 705385, 846462, 1269693, 1410770, 1692924, 2116155, 2539386, 2821540, 4232310, 5078772, 6348465, 8464620, 12696930, 25393860]

約数ペア:

[(1, 25393860), (2, 12696930), (3, 8464620), (4, 6348465), (5, 5078772), (6, 4232310), (9, 2821540), (10, 2539386), (12, 2116155), (15, 1692924), (18, 1410770), (20, 1269693), (30, 846462), (36, 705385), (45, 564308), (60, 423231), (71, 357660), (90, 282154), (142, 178830), (180, 141077), (213, 119220), (284, 89415), (355, 71532), (426, 59610), (639, 39740), (710, 35766), (852, 29805), (1065, 23844), (1278, 19870), (1420, 17883), (1987, 12780), (2130, 11922), (2556, 9935), (3195, 7948), (3974, 6390), (4260, 5961)]