403096720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12503}}^1$

素因数の和:12560

約数の個数: 80

約数和(自身を含む): 1041933312

約数和(自身を除く): 638836592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 12503, 16120, 25006, 32240, 50012, 62515, 100024, 125030, 162539, 200048, 250060, 325078, 387593, 500120, 650156, 775186, 812695, 1000240, 1300312, 1550372, 1625390, 1937965, 2600624, 3100744, 3250780, 3875930, 5038709, 6201488, 6501560, 7751860, 10077418, 13003120, 15503720, 20154836, 25193545, 31007440, 40309672, 50387090, 80619344, 100774180, 201548360, 403096720]

約数ペア:

[(1, 403096720), (2, 201548360), (4, 100774180), (5, 80619344), (8, 50387090), (10, 40309672), (13, 31007440), (16, 25193545), (20, 20154836), (26, 15503720), (31, 13003120), (40, 10077418), (52, 7751860), (62, 6501560), (65, 6201488), (80, 5038709), (104, 3875930), (124, 3250780), (130, 3100744), (155, 2600624), (208, 1937965), (248, 1625390), (260, 1550372), (310, 1300312), (403, 1000240), (496, 812695), (520, 775186), (620, 650156), (806, 500120), (1040, 387593), (1240, 325078), (1612, 250060), (2015, 200048), (2480, 162539), (3224, 125030), (4030, 100024), (6448, 62515), (8060, 50012), (12503, 32240), (16120, 25006)]