25713460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 57335040

約数和(自身を除く): 31621580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 431, 628, 785, 862, 1570, 1724, 2155, 2983, 3140, 4310, 5966, 8189, 8620, 11932, 14915, 16378, 29830, 32756, 40945, 59660, 67667, 81890, 135334, 163780, 270668, 338335, 676670, 1285673, 1353340, 2571346, 5142692, 6428365, 12856730, 25713460]

約数ペア:

[(1, 25713460), (2, 12856730), (4, 6428365), (5, 5142692), (10, 2571346), (19, 1353340), (20, 1285673), (38, 676670), (76, 338335), (95, 270668), (157, 163780), (190, 135334), (314, 81890), (380, 67667), (431, 59660), (628, 40945), (785, 32756), (862, 29830), (1570, 16378), (1724, 14915), (2155, 11932), (2983, 8620), (3140, 8189), (4310, 5966)]