80203280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3469}}^1$

素因数の和:3516

約数の個数: 60

約数和(自身を含む): 198143940

約数和(自身を除く): 117940660

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 3469, 4624, 5780, 6938, 11560, 13876, 17345, 23120, 27752, 34690, 55504, 58973, 69380, 117946, 138760, 235892, 277520, 294865, 471784, 589730, 943568, 1002541, 1179460, 2005082, 2358920, 4010164, 4717840, 5012705, 8020328, 10025410, 16040656, 20050820, 40101640, 80203280]

約数ペア:

[(1, 80203280), (2, 40101640), (4, 20050820), (5, 16040656), (8, 10025410), (10, 8020328), (16, 5012705), (17, 4717840), (20, 4010164), (34, 2358920), (40, 2005082), (68, 1179460), (80, 1002541), (85, 943568), (136, 589730), (170, 471784), (272, 294865), (289, 277520), (340, 235892), (578, 138760), (680, 117946), (1156, 69380), (1360, 58973), (1445, 55504), (2312, 34690), (2890, 27752), (3469, 23120), (4624, 17345), (5780, 13876), (6938, 11560)]