51044360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 121150080

約数和(自身を除く): 70105720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 184, 226, 230, 452, 460, 491, 565, 904, 920, 982, 1130, 1964, 2260, 2455, 2599, 3928, 4520, 4910, 5198, 9820, 10396, 11293, 12995, 19640, 20792, 22586, 25990, 45172, 51980, 55483, 56465, 90344, 103960, 110966, 112930, 221932, 225860, 277415, 443864, 451720, 554830, 1109660, 1276109, 2219320, 2552218, 5104436, 6380545, 10208872, 12761090, 25522180, 51044360]

約数ペア:

[(1, 51044360), (2, 25522180), (4, 12761090), (5, 10208872), (8, 6380545), (10, 5104436), (20, 2552218), (23, 2219320), (40, 1276109), (46, 1109660), (92, 554830), (113, 451720), (115, 443864), (184, 277415), (226, 225860), (230, 221932), (452, 112930), (460, 110966), (491, 103960), (565, 90344), (904, 56465), (920, 55483), (982, 51980), (1130, 45172), (1964, 25990), (2260, 22586), (2455, 20792), (2599, 19640), (3928, 12995), (4520, 11293), (4910, 10396), (5198, 9820)]