40386424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 88179840

約数和(自身を除く): 47793416

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 53, 68, 104, 106, 136, 212, 221, 424, 431, 442, 689, 862, 884, 901, 1378, 1724, 1768, 1802, 2756, 3448, 3604, 5512, 5603, 7208, 7327, 11206, 11713, 14654, 22412, 22843, 23426, 29308, 44824, 45686, 46852, 58616, 91372, 93704, 95251, 182744, 190502, 296959, 381004, 388331, 593918, 762008, 776662, 1187836, 1553324, 2375672, 3106648, 5048303, 10096606, 20193212, 40386424]

約数ペア:

[(1, 40386424), (2, 20193212), (4, 10096606), (8, 5048303), (13, 3106648), (17, 2375672), (26, 1553324), (34, 1187836), (52, 776662), (53, 762008), (68, 593918), (104, 388331), (106, 381004), (136, 296959), (212, 190502), (221, 182744), (424, 95251), (431, 93704), (442, 91372), (689, 58616), (862, 46852), (884, 45686), (901, 44824), (1378, 29308), (1724, 23426), (1768, 22843), (1802, 22412), (2756, 14654), (3448, 11713), (3604, 11206), (5512, 7327), (5603, 7208)]