8272030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 17962560

約数和(自身を除く): 9690530

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 197, 221, 247, 323, 394, 442, 494, 646, 985, 1105, 1235, 1615, 1970, 2210, 2470, 2561, 3230, 3349, 3743, 4199, 5122, 6698, 7486, 8398, 12805, 16745, 18715, 20995, 25610, 33490, 37430, 41990, 43537, 48659, 63631, 87074, 97318, 127262, 217685, 243295, 318155, 435370, 486590, 636310, 827203, 1654406, 4136015, 8272030]

約数ペア:

[(1, 8272030), (2, 4136015), (5, 1654406), (10, 827203), (13, 636310), (17, 486590), (19, 435370), (26, 318155), (34, 243295), (38, 217685), (65, 127262), (85, 97318), (95, 87074), (130, 63631), (170, 48659), (190, 43537), (197, 41990), (221, 37430), (247, 33490), (323, 25610), (394, 20995), (442, 18715), (494, 16745), (646, 12805), (985, 8398), (1105, 7486), (1235, 6698), (1615, 5122), (1970, 4199), (2210, 3743), (2470, 3349), (2561, 3230)]