71830460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 163078272

約数和(自身を除く): 91247812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 641, 862, 1282, 1724, 2155, 2564, 3205, 4310, 5603, 6410, 8333, 8620, 11206, 12820, 16666, 22412, 28015, 33332, 41665, 56030, 83330, 112060, 166660, 276271, 552542, 1105084, 1381355, 2762710, 3591523, 5525420, 7183046, 14366092, 17957615, 35915230, 71830460]

約数ペア:

[(1, 71830460), (2, 35915230), (4, 17957615), (5, 14366092), (10, 7183046), (13, 5525420), (20, 3591523), (26, 2762710), (52, 1381355), (65, 1105084), (130, 552542), (260, 276271), (431, 166660), (641, 112060), (862, 83330), (1282, 56030), (1724, 41665), (2155, 33332), (2564, 28015), (3205, 22412), (4310, 16666), (5603, 12820), (6410, 11206), (8333, 8620)]