80038280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9221}}^1$

素因数の和:9270

約数の個数: 64

約数和(自身を含む): 212474880

約数和(自身を除く): 132436600

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, 1085, 1240, 1736, 2170, 4340, 8680, 9221, 18442, 36884, 46105, 64547, 73768, 92210, 129094, 184420, 258188, 285851, 322735, 368840, 516376, 571702, 645470, 1143404, 1290940, 1429255, 2000957, 2286808, 2581880, 2858510, 4001914, 5717020, 8003828, 10004785, 11434040, 16007656, 20009570, 40019140, 80038280]

約数ペア:

[(1, 80038280), (2, 40019140), (4, 20009570), (5, 16007656), (7, 11434040), (8, 10004785), (10, 8003828), (14, 5717020), (20, 4001914), (28, 2858510), (31, 2581880), (35, 2286808), (40, 2000957), (56, 1429255), (62, 1290940), (70, 1143404), (124, 645470), (140, 571702), (155, 516376), (217, 368840), (248, 322735), (280, 285851), (310, 258188), (434, 184420), (620, 129094), (868, 92210), (1085, 73768), (1240, 64547), (1736, 46105), (2170, 36884), (4340, 18442), (8680, 9221)]