51828520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 120294720

約数和(自身を除く): 68466200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 83, 134, 166, 233, 268, 332, 335, 415, 466, 536, 664, 670, 830, 932, 1165, 1340, 1660, 1864, 2330, 2680, 3320, 4660, 5561, 9320, 11122, 15611, 19339, 22244, 27805, 31222, 38678, 44488, 55610, 62444, 77356, 78055, 96695, 111220, 124888, 154712, 156110, 193390, 222440, 312220, 386780, 624440, 773560, 1295713, 2591426, 5182852, 6478565, 10365704, 12957130, 25914260, 51828520]

約数ペア:

[(1, 51828520), (2, 25914260), (4, 12957130), (5, 10365704), (8, 6478565), (10, 5182852), (20, 2591426), (40, 1295713), (67, 773560), (83, 624440), (134, 386780), (166, 312220), (233, 222440), (268, 193390), (332, 156110), (335, 154712), (415, 124888), (466, 111220), (536, 96695), (664, 78055), (670, 77356), (830, 62444), (932, 55610), (1165, 44488), (1340, 38678), (1660, 31222), (1864, 27805), (2330, 22244), (2680, 19339), (3320, 15611), (4660, 11122), (5561, 9320)]