28866191320

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{67577}}^1$

素因数の和:67828

約数の個数: 64

約数和(自身を含む): 66415658400

約数和(自身を除く): 37549467080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 181, 236, 295, 362, 472, 590, 724, 905, 1180, 1448, 1810, 2360, 3620, 7240, 10679, 21358, 42716, 53395, 67577, 85432, 106790, 135154, 213580, 270308, 337885, 427160, 540616, 675770, 1351540, 2703080, 3987043, 7974086, 12231437, 15948172, 19935215, 24462874, 31896344, 39870430, 48925748, 61157185, 79740860, 97851496, 122314370, 159481720, 244628740, 489257480, 721654783, 1443309566, 2886619132, 3608273915, 5773238264, 7216547830, 14433095660, 28866191320]

約数ペア:

[(1, 28866191320), (2, 14433095660), (4, 7216547830), (5, 5773238264), (8, 3608273915), (10, 2886619132), (20, 1443309566), (40, 721654783), (59, 489257480), (118, 244628740), (181, 159481720), (236, 122314370), (295, 97851496), (362, 79740860), (472, 61157185), (590, 48925748), (724, 39870430), (905, 31896344), (1180, 24462874), (1448, 19935215), (1810, 15948172), (2360, 12231437), (3620, 7974086), (7240, 3987043), (10679, 2703080), (21358, 1351540), (42716, 675770), (53395, 540616), (67577, 427160), (85432, 337885), (106790, 270308), (135154, 213580)]