28130360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 66074400

約数和(自身を除く): 37944040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 148, 166, 185, 229, 296, 332, 370, 415, 458, 664, 740, 830, 916, 1145, 1480, 1660, 1832, 2290, 3071, 3320, 4580, 6142, 8473, 9160, 12284, 15355, 16946, 19007, 24568, 30710, 33892, 38014, 42365, 61420, 67784, 76028, 84730, 95035, 122840, 152056, 169460, 190070, 338920, 380140, 703259, 760280, 1406518, 2813036, 3516295, 5626072, 7032590, 14065180, 28130360]

約数ペア:

[(1, 28130360), (2, 14065180), (4, 7032590), (5, 5626072), (8, 3516295), (10, 2813036), (20, 1406518), (37, 760280), (40, 703259), (74, 380140), (83, 338920), (148, 190070), (166, 169460), (185, 152056), (229, 122840), (296, 95035), (332, 84730), (370, 76028), (415, 67784), (458, 61420), (664, 42365), (740, 38014), (830, 33892), (916, 30710), (1145, 24568), (1480, 19007), (1660, 16946), (1832, 15355), (2290, 12284), (3071, 9160), (3320, 8473), (4580, 6142)]