551401240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2671}}^1$

素因数の和:3092

約数の個数: 64

約数和(自身を含む): 1339954560

約数和(自身を除く): 788553320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 397, 520, 794, 1588, 1985, 2671, 3176, 3970, 5161, 5342, 7940, 10322, 10684, 13355, 15880, 20644, 21368, 25805, 26710, 34723, 41288, 51610, 53420, 69446, 103220, 106840, 138892, 173615, 206440, 277784, 347230, 694460, 1060387, 1388920, 2120774, 4241548, 5301935, 8483096, 10603870, 13785031, 21207740, 27570062, 42415480, 55140124, 68925155, 110280248, 137850310, 275700620, 551401240]

約数ペア:

[(1, 551401240), (2, 275700620), (4, 137850310), (5, 110280248), (8, 68925155), (10, 55140124), (13, 42415480), (20, 27570062), (26, 21207740), (40, 13785031), (52, 10603870), (65, 8483096), (104, 5301935), (130, 4241548), (260, 2120774), (397, 1388920), (520, 1060387), (794, 694460), (1588, 347230), (1985, 277784), (2671, 206440), (3176, 173615), (3970, 138892), (5161, 106840), (5342, 103220), (7940, 69446), (10322, 53420), (10684, 51610), (13355, 41288), (15880, 34723), (20644, 26710), (21368, 25805)]