66767140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15973}}^1$

素因数の和:16012

約数の個数: 48

約数和(自身を含む): 161017920

約数和(自身を除く): 94250780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15973, 31946, 63892, 79865, 159730, 175703, 303487, 319460, 351406, 606974, 702812, 878515, 1213948, 1517435, 1757030, 3034870, 3338357, 3514060, 6069740, 6676714, 13353428, 16691785, 33383570, 66767140]

約数ペア:

[(1, 66767140), (2, 33383570), (4, 16691785), (5, 13353428), (10, 6676714), (11, 6069740), (19, 3514060), (20, 3338357), (22, 3034870), (38, 1757030), (44, 1517435), (55, 1213948), (76, 878515), (95, 702812), (110, 606974), (190, 351406), (209, 319460), (220, 303487), (380, 175703), (418, 159730), (836, 79865), (1045, 63892), (2090, 31946), (4180, 15973)]