28607800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11003}}^1$

素因数の和:11032

約数の個数: 48

約数和(自身を含む): 71636040

約数和(自身を除く): 43028240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 11003, 22006, 44012, 55015, 88024, 110030, 143039, 220060, 275075, 286078, 440120, 550150, 572156, 715195, 1100300, 1144312, 1430390, 2200600, 2860780, 3575975, 5721560, 7151950, 14303900, 28607800]

約数ペア:

[(1, 28607800), (2, 14303900), (4, 7151950), (5, 5721560), (8, 3575975), (10, 2860780), (13, 2200600), (20, 1430390), (25, 1144312), (26, 1100300), (40, 715195), (50, 572156), (52, 550150), (65, 440120), (100, 286078), (104, 275075), (130, 220060), (200, 143039), (260, 110030), (325, 88024), (520, 55015), (650, 44012), (1300, 22006), (2600, 11003)]