81809740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{683}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 176849568

約数和(自身を除く): 95039828

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 113, 212, 226, 265, 452, 530, 565, 683, 1060, 1130, 1366, 2260, 2732, 3415, 5989, 6830, 11978, 13660, 23956, 29945, 36199, 59890, 72398, 77179, 119780, 144796, 154358, 180995, 308716, 361990, 385895, 723980, 771790, 1543580, 4090487, 8180974, 16361948, 20452435, 40904870, 81809740]

約数ペア:

[(1, 81809740), (2, 40904870), (4, 20452435), (5, 16361948), (10, 8180974), (20, 4090487), (53, 1543580), (106, 771790), (113, 723980), (212, 385895), (226, 361990), (265, 308716), (452, 180995), (530, 154358), (565, 144796), (683, 119780), (1060, 77179), (1130, 72398), (1366, 59890), (2260, 36199), (2732, 29945), (3415, 23956), (5989, 13660), (6830, 11978)]