28442720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 43407520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 59, 80, 92, 115, 118, 131, 160, 184, 230, 236, 262, 295, 368, 460, 472, 524, 590, 655, 736, 920, 944, 1048, 1180, 1310, 1357, 1840, 1888, 2096, 2360, 2620, 2714, 3013, 3680, 4192, 4720, 5240, 5428, 6026, 6785, 7729, 9440, 10480, 10856, 12052, 13570, 15065, 15458, 20960, 21712, 24104, 27140, 30130, 30916, 38645, 43424, 48208, 54280, 60260, 61832, 77290, 96416, 108560, 120520, 123664, 154580, 177767, 217120, 241040, 247328, 309160, 355534, 482080, 618320, 711068, 888835, 1236640, 1422136, 1777670, 2844272, 3555340, 5688544, 7110680, 14221360, 28442720]

約数ペア:

[(1, 28442720), (2, 14221360), (4, 7110680), (5, 5688544), (8, 3555340), (10, 2844272), (16, 1777670), (20, 1422136), (23, 1236640), (32, 888835), (40, 711068), (46, 618320), (59, 482080), (80, 355534), (92, 309160), (115, 247328), (118, 241040), (131, 217120), (160, 177767), (184, 154580), (230, 123664), (236, 120520), (262, 108560), (295, 96416), (368, 77290), (460, 61832), (472, 60260), (524, 54280), (590, 48208), (655, 43424), (736, 38645), (920, 30916), (944, 30130), (1048, 27140), (1180, 24104), (1310, 21712), (1357, 20960), (1840, 15458), (1888, 15065), (2096, 13570), (2360, 12052), (2620, 10856), (2714, 10480), (3013, 9440), (3680, 7729), (4192, 6785), (4720, 6026), (5240, 5428)]