8203000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 20704320

約数和(自身を除く): 12501320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 631, 650, 1000, 1262, 1300, 1625, 2524, 2600, 3155, 3250, 5048, 6310, 6500, 8203, 12620, 13000, 15775, 16406, 25240, 31550, 32812, 41015, 63100, 65624, 78875, 82030, 126200, 157750, 164060, 205075, 315500, 328120, 410150, 631000, 820300, 1025375, 1640600, 2050750, 4101500, 8203000]

約数ペア:

[(1, 8203000), (2, 4101500), (4, 2050750), (5, 1640600), (8, 1025375), (10, 820300), (13, 631000), (20, 410150), (25, 328120), (26, 315500), (40, 205075), (50, 164060), (52, 157750), (65, 126200), (100, 82030), (104, 78875), (125, 65624), (130, 63100), (200, 41015), (250, 32812), (260, 31550), (325, 25240), (500, 16406), (520, 15775), (631, 13000), (650, 12620), (1000, 8203), (1262, 6500), (1300, 6310), (1625, 5048), (2524, 3250), (2600, 3155)]