80591540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9221}}^1$

素因数の和:9272

約数の個数: 48

約数和(自身を含む): 185915520

約数和(自身を除く): 105323980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 9221, 18442, 36884, 46105, 92210, 175199, 184420, 212083, 350398, 424166, 700796, 848332, 875995, 1060415, 1751990, 2120830, 3503980, 4029577, 4241660, 8059154, 16118308, 20147885, 40295770, 80591540]

約数ペア:

[(1, 80591540), (2, 40295770), (4, 20147885), (5, 16118308), (10, 8059154), (19, 4241660), (20, 4029577), (23, 3503980), (38, 2120830), (46, 1751990), (76, 1060415), (92, 875995), (95, 848332), (115, 700796), (190, 424166), (230, 350398), (380, 212083), (437, 184420), (460, 175199), (874, 92210), (1748, 46105), (2185, 36884), (4370, 18442), (8740, 9221)]