8063720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 21427200

約数和(自身を除く): 13363480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 929, 1085, 1240, 1736, 1858, 2170, 3716, 4340, 4645, 6503, 7432, 8680, 9290, 13006, 18580, 26012, 28799, 32515, 37160, 52024, 57598, 65030, 115196, 130060, 143995, 201593, 230392, 260120, 287990, 403186, 575980, 806372, 1007965, 1151960, 1612744, 2015930, 4031860, 8063720]

約数ペア:

[(1, 8063720), (2, 4031860), (4, 2015930), (5, 1612744), (7, 1151960), (8, 1007965), (10, 806372), (14, 575980), (20, 403186), (28, 287990), (31, 260120), (35, 230392), (40, 201593), (56, 143995), (62, 130060), (70, 115196), (124, 65030), (140, 57598), (155, 52024), (217, 37160), (248, 32515), (280, 28799), (310, 26012), (434, 18580), (620, 13006), (868, 9290), (929, 8680), (1085, 7432), (1240, 6503), (1736, 4645), (1858, 4340), (2170, 3716)]