40953806780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1\times {\mathrm{30649}}^1$

素因数の和:31670

約数の個数: 48

約数和(自身を含む): 87309835200

約数和(自身を除く): 46356028420

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 941, 1420, 1882, 3764, 4705, 9410, 18820, 30649, 61298, 66811, 122596, 133622, 153245, 267244, 306490, 334055, 612980, 668110, 1336220, 2176079, 4352158, 8704316, 10880395, 21760790, 28840709, 43521580, 57681418, 115362836, 144203545, 288407090, 576814180, 2047690339, 4095380678, 8190761356, 10238451695, 20476903390, 40953806780]

約数ペア:

[(1, 40953806780), (2, 20476903390), (4, 10238451695), (5, 8190761356), (10, 4095380678), (20, 2047690339), (71, 576814180), (142, 288407090), (284, 144203545), (355, 115362836), (710, 57681418), (941, 43521580), (1420, 28840709), (1882, 21760790), (3764, 10880395), (4705, 8704316), (9410, 4352158), (18820, 2176079), (30649, 1336220), (61298, 668110), (66811, 612980), (122596, 334055), (133622, 306490), (153245, 267244)]