12500430920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{8147}}^1$

素因数の和:8678

約数の個数: 64

約数和(自身を含む): 28511481600

約数和(自身を除く): 16011050680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 431, 445, 712, 862, 890, 1724, 1780, 2155, 3448, 3560, 4310, 8147, 8620, 16294, 17240, 32588, 38359, 40735, 65176, 76718, 81470, 153436, 162940, 191795, 306872, 325880, 383590, 725083, 767180, 1450166, 1534360, 2900332, 3511357, 3625415, 5800664, 7022714, 7250830, 14045428, 14501660, 17556785, 28090856, 29003320, 35113570, 70227140, 140454280, 312510773, 625021546, 1250043092, 1562553865, 2500086184, 3125107730, 6250215460, 12500430920]

約数ペア:

[(1, 12500430920), (2, 6250215460), (4, 3125107730), (5, 2500086184), (8, 1562553865), (10, 1250043092), (20, 625021546), (40, 312510773), (89, 140454280), (178, 70227140), (356, 35113570), (431, 29003320), (445, 28090856), (712, 17556785), (862, 14501660), (890, 14045428), (1724, 7250830), (1780, 7022714), (2155, 5800664), (3448, 3625415), (3560, 3511357), (4310, 2900332), (8147, 1534360), (8620, 1450166), (16294, 767180), (17240, 725083), (32588, 383590), (38359, 325880), (40735, 306872), (65176, 191795), (76718, 162940), (81470, 153436)]