81168190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{5147}}^1$

素因数の和:5256

約数の個数: 32

約数和(自身を含む): 155675520

約数和(自身を除く): 74507330

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 5147, 7885, 10294, 15770, 25735, 51470, 97793, 195586, 427201, 488965, 854402, 977930, 2136005, 4272010, 8116819, 16233638, 40584095, 81168190]

約数ペア:

[(1, 81168190), (2, 40584095), (5, 16233638), (10, 8116819), (19, 4272010), (38, 2136005), (83, 977930), (95, 854402), (166, 488965), (190, 427201), (415, 195586), (830, 97793), (1577, 51470), (3154, 25735), (5147, 15770), (7885, 10294)]