25686840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2579}}^1$

素因数の和:2676

約数の個数: 64

約数和(自身を含む): 78019200

約数和(自身を除く): 52332360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 2579, 3320, 4980, 5158, 7737, 9960, 10316, 12895, 15474, 20632, 25790, 30948, 38685, 51580, 61896, 77370, 103160, 154740, 214057, 309480, 428114, 642171, 856228, 1070285, 1284342, 1712456, 2140570, 2568684, 3210855, 4281140, 5137368, 6421710, 8562280, 12843420, 25686840]

約数ペア:

[(1, 25686840), (2, 12843420), (3, 8562280), (4, 6421710), (5, 5137368), (6, 4281140), (8, 3210855), (10, 2568684), (12, 2140570), (15, 1712456), (20, 1284342), (24, 1070285), (30, 856228), (40, 642171), (60, 428114), (83, 309480), (120, 214057), (166, 154740), (249, 103160), (332, 77370), (415, 61896), (498, 51580), (664, 38685), (830, 30948), (996, 25790), (1245, 20632), (1660, 15474), (1992, 12895), (2490, 10316), (2579, 9960), (3320, 7737), (4980, 5158)]