20180488510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{111439}}^1$

素因数の和:111665

約数の個数: 64

約数和(自身を含む): 44932608000

約数和(自身を除く): 24752119490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 199, 398, 455, 910, 995, 1393, 1990, 2587, 2786, 5174, 6965, 12935, 13930, 18109, 25870, 36218, 90545, 111439, 181090, 222878, 557195, 780073, 1114390, 1448707, 1560146, 2897414, 3900365, 7243535, 7800730, 10140949, 14487070, 20281898, 22176361, 44352722, 50704745, 101409490, 110881805, 155234527, 221763610, 288292693, 310469054, 576585386, 776172635, 1441463465, 1552345270, 2018048851, 2882926930, 4036097702, 10090244255, 20180488510]

約数ペア:

[(1, 20180488510), (2, 10090244255), (5, 4036097702), (7, 2882926930), (10, 2018048851), (13, 1552345270), (14, 1441463465), (26, 776172635), (35, 576585386), (65, 310469054), (70, 288292693), (91, 221763610), (130, 155234527), (182, 110881805), (199, 101409490), (398, 50704745), (455, 44352722), (910, 22176361), (995, 20281898), (1393, 14487070), (1990, 10140949), (2587, 7800730), (2786, 7243535), (5174, 3900365), (6965, 2897414), (12935, 1560146), (13930, 1448707), (18109, 1114390), (25870, 780073), (36218, 557195), (90545, 222878), (111439, 181090)]