40241968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^2$

素因数の和:210

約数の個数: 60

約数和(自身を含む): 87786048

約数和(自身を除く): 47544080

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 79, 104, 124, 158, 208, 248, 316, 403, 496, 632, 806, 1027, 1264, 1612, 2054, 2449, 3224, 4108, 4898, 6241, 6448, 8216, 9796, 12482, 16432, 19592, 24964, 31837, 39184, 49928, 63674, 81133, 99856, 127348, 162266, 193471, 254696, 324532, 386942, 509392, 649064, 773884, 1298128, 1547768, 2515123, 3095536, 5030246, 10060492, 20120984, 40241968]

約数ペア:

[(1, 40241968), (2, 20120984), (4, 10060492), (8, 5030246), (13, 3095536), (16, 2515123), (26, 1547768), (31, 1298128), (52, 773884), (62, 649064), (79, 509392), (104, 386942), (124, 324532), (158, 254696), (208, 193471), (248, 162266), (316, 127348), (403, 99856), (496, 81133), (632, 63674), (806, 49928), (1027, 39184), (1264, 31837), (1612, 24964), (2054, 19592), (2449, 16432), (3224, 12482), (4108, 9796), (4898, 8216), (6241, 6448)]