1307800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 3281040

約数和(自身を除く): 1973240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 503, 520, 650, 1006, 1300, 2012, 2515, 2600, 4024, 5030, 6539, 10060, 12575, 13078, 20120, 25150, 26156, 32695, 50300, 52312, 65390, 100600, 130780, 163475, 261560, 326950, 653900, 1307800]

約数ペア:

[(1, 1307800), (2, 653900), (4, 326950), (5, 261560), (8, 163475), (10, 130780), (13, 100600), (20, 65390), (25, 52312), (26, 50300), (40, 32695), (50, 26156), (52, 25150), (65, 20120), (100, 13078), (104, 12575), (130, 10060), (200, 6539), (260, 5030), (325, 4024), (503, 2600), (520, 2515), (650, 2012), (1006, 1300)]