28640480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16273}}^1$

素因数の和:16299

約数の個数: 48

約数和(自身を含む): 73818864

約数和(自身を除く): 45178384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 16273, 32546, 65092, 81365, 130184, 162730, 179003, 260368, 325460, 358006, 520736, 650920, 716012, 895015, 1301840, 1432024, 1790030, 2603680, 2864048, 3580060, 5728096, 7160120, 14320240, 28640480]

約数ペア:

[(1, 28640480), (2, 14320240), (4, 7160120), (5, 5728096), (8, 3580060), (10, 2864048), (11, 2603680), (16, 1790030), (20, 1432024), (22, 1301840), (32, 895015), (40, 716012), (44, 650920), (55, 520736), (80, 358006), (88, 325460), (110, 260368), (160, 179003), (176, 162730), (220, 130184), (352, 81365), (440, 65092), (880, 32546), (1760, 16273)]