28779920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27673}}^1$

素因数の和:27699

約数の個数: 40

約数和(自身を含む): 72063096

約数和(自身を除く): 43283176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27673, 55346, 110692, 138365, 221384, 276730, 359749, 442768, 553460, 719498, 1106920, 1438996, 1798745, 2213840, 2877992, 3597490, 5755984, 7194980, 14389960, 28779920]

約数ペア:

[(1, 28779920), (2, 14389960), (4, 7194980), (5, 5755984), (8, 3597490), (10, 2877992), (13, 2213840), (16, 1798745), (20, 1438996), (26, 1106920), (40, 719498), (52, 553460), (65, 442768), (80, 359749), (104, 276730), (130, 221384), (208, 138365), (260, 110692), (520, 55346), (1040, 27673)]