11808520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 27993600

約数和(自身を除く): 16185080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 107, 124, 155, 178, 214, 248, 310, 356, 428, 445, 535, 620, 712, 856, 890, 1070, 1240, 1780, 2140, 2759, 3317, 3560, 4280, 5518, 6634, 9523, 11036, 13268, 13795, 16585, 19046, 22072, 26536, 27590, 33170, 38092, 47615, 55180, 66340, 76184, 95230, 110360, 132680, 190460, 295213, 380920, 590426, 1180852, 1476065, 2361704, 2952130, 5904260, 11808520]

約数ペア:

[(1, 11808520), (2, 5904260), (4, 2952130), (5, 2361704), (8, 1476065), (10, 1180852), (20, 590426), (31, 380920), (40, 295213), (62, 190460), (89, 132680), (107, 110360), (124, 95230), (155, 76184), (178, 66340), (214, 55180), (248, 47615), (310, 38092), (356, 33170), (428, 27590), (445, 26536), (535, 22072), (620, 19046), (712, 16585), (856, 13795), (890, 13268), (1070, 11036), (1240, 9523), (1780, 6634), (2140, 5518), (2759, 4280), (3317, 3560)]