171779920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165173}}^1$

素因数の和:165199

約数の個数: 40

約数和(自身を含む): 430113096

約数和(自身を除く): 258333176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 165173, 330346, 660692, 825865, 1321384, 1651730, 2147249, 2642768, 3303460, 4294498, 6606920, 8588996, 10736245, 13213840, 17177992, 21472490, 34355984, 42944980, 85889960, 171779920]

約数ペア:

[(1, 171779920), (2, 85889960), (4, 42944980), (5, 34355984), (8, 21472490), (10, 17177992), (13, 13213840), (16, 10736245), (20, 8588996), (26, 6606920), (40, 4294498), (52, 3303460), (65, 2642768), (80, 2147249), (104, 1651730), (130, 1321384), (208, 825865), (260, 660692), (520, 330346), (1040, 165173)]