79985360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11020

約数の個数: 80

約数和(自身を含む): 228902016

約数和(自身を除く): 148916656

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 10987, 21974, 43948, 54935, 76909, 87896, 109870, 142831, 153818, 175792, 219740, 285662, 307636, 384545, 439480, 571324, 615272, 714155, 769090, 878960, 999817, 1142648, 1230544, 1428310, 1538180, 1999634, 2285296, 2856620, 3076360, 3999268, 4999085, 5713240, 6152720, 7998536, 9998170, 11426480, 15997072, 19996340, 39992680, 79985360]

約数ペア:

[(1, 79985360), (2, 39992680), (4, 19996340), (5, 15997072), (7, 11426480), (8, 9998170), (10, 7998536), (13, 6152720), (14, 5713240), (16, 4999085), (20, 3999268), (26, 3076360), (28, 2856620), (35, 2285296), (40, 1999634), (52, 1538180), (56, 1428310), (65, 1230544), (70, 1142648), (80, 999817), (91, 878960), (104, 769090), (112, 714155), (130, 615272), (140, 571324), (182, 439480), (208, 384545), (260, 307636), (280, 285662), (364, 219740), (455, 175792), (520, 153818), (560, 142831), (728, 109870), (910, 87896), (1040, 76909), (1456, 54935), (1820, 43948), (3640, 21974), (7280, 10987)]