9995440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 28623168

約数和(自身を除く): 18627728

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, 1373, 1456, 1820, 2746, 3640, 5492, 6865, 7280, 9611, 10984, 13730, 17849, 19222, 21968, 27460, 35698, 38444, 48055, 54920, 71396, 76888, 89245, 96110, 109840, 124943, 142792, 153776, 178490, 192220, 249886, 285584, 356980, 384440, 499772, 624715, 713960, 768880, 999544, 1249430, 1427920, 1999088, 2498860, 4997720, 9995440]

約数ペア:

[(1, 9995440), (2, 4997720), (4, 2498860), (5, 1999088), (7, 1427920), (8, 1249430), (10, 999544), (13, 768880), (14, 713960), (16, 624715), (20, 499772), (26, 384440), (28, 356980), (35, 285584), (40, 249886), (52, 192220), (56, 178490), (65, 153776), (70, 142792), (80, 124943), (91, 109840), (104, 96110), (112, 89245), (130, 76888), (140, 71396), (182, 54920), (208, 48055), (260, 38444), (280, 35698), (364, 27460), (455, 21968), (520, 19222), (560, 17849), (728, 13730), (910, 10984), (1040, 9611), (1373, 7280), (1456, 6865), (1820, 5492), (2746, 3640)]