65243840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6577}}^1$

素因数の和:6625

約数の個数: 56

約数和(自身を含む): 160397952

約数和(自身を除く): 95154112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 6577, 9920, 13154, 26308, 32885, 52616, 65770, 105232, 131540, 203887, 210464, 263080, 407774, 420928, 526160, 815548, 1019435, 1052320, 1631096, 2038870, 2104640, 3262192, 4077740, 6524384, 8155480, 13048768, 16310960, 32621920, 65243840]

約数ペア:

[(1, 65243840), (2, 32621920), (4, 16310960), (5, 13048768), (8, 8155480), (10, 6524384), (16, 4077740), (20, 3262192), (31, 2104640), (32, 2038870), (40, 1631096), (62, 1052320), (64, 1019435), (80, 815548), (124, 526160), (155, 420928), (160, 407774), (248, 263080), (310, 210464), (320, 203887), (496, 131540), (620, 105232), (992, 65770), (1240, 52616), (1984, 32885), (2480, 26308), (4960, 13154), (6577, 9920)]