31007440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12503}}^1$

素因数の和:12547

約数の個数: 40

約数和(自身を含む): 74423808

約数和(自身を除く): 43416368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12503, 25006, 50012, 62515, 100024, 125030, 200048, 250060, 387593, 500120, 775186, 1000240, 1550372, 1937965, 3100744, 3875930, 6201488, 7751860, 15503720, 31007440]

約数ペア:

[(1, 31007440), (2, 15503720), (4, 7751860), (5, 6201488), (8, 3875930), (10, 3100744), (16, 1937965), (20, 1550372), (31, 1000240), (40, 775186), (62, 500120), (80, 387593), (124, 250060), (155, 200048), (248, 125030), (310, 100024), (496, 62515), (620, 50012), (1240, 25006), (2480, 12503)]