9966640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 24998400

約数和(自身を除く): 15031760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 83, 95, 152, 158, 166, 190, 304, 316, 332, 380, 395, 415, 632, 664, 760, 790, 830, 1264, 1328, 1501, 1520, 1577, 1580, 1660, 3002, 3154, 3160, 3320, 6004, 6308, 6320, 6557, 6640, 7505, 7885, 12008, 12616, 13114, 15010, 15770, 24016, 25232, 26228, 30020, 31540, 32785, 52456, 60040, 63080, 65570, 104912, 120080, 124583, 126160, 131140, 249166, 262280, 498332, 524560, 622915, 996664, 1245830, 1993328, 2491660, 4983320, 9966640]

約数ペア:

[(1, 9966640), (2, 4983320), (4, 2491660), (5, 1993328), (8, 1245830), (10, 996664), (16, 622915), (19, 524560), (20, 498332), (38, 262280), (40, 249166), (76, 131140), (79, 126160), (80, 124583), (83, 120080), (95, 104912), (152, 65570), (158, 63080), (166, 60040), (190, 52456), (304, 32785), (316, 31540), (332, 30020), (380, 26228), (395, 25232), (415, 24016), (632, 15770), (664, 15010), (760, 13114), (790, 12616), (830, 12008), (1264, 7885), (1328, 7505), (1501, 6640), (1520, 6557), (1577, 6320), (1580, 6308), (1660, 6004), (3002, 3320), (3154, 3160)]